428979105

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 853493760

約数和(自身を除く): 424514655

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 47, 51, 85, 97, 123, 135, 141, 153, 205, 235, 255, 291, 369, 423, 459, 485, 615, 697, 705, 765, 799, 873, 1107, 1269, 1455, 1649, 1845, 1927, 2091, 2115, 2295, 2397, 2619, 3485, 3977, 3995, 4365, 4559, 4947, 5535, 5781, 6273, 6345, 7191, 8245, 9635, 10455, 11931, 11985, 13095, 13677, 14841, 17343, 18819, 19885, 21573, 22795, 24735, 28905, 31365, 32759, 35793, 35955, 41031, 44523, 52029, 59655, 67609, 68385, 74205, 77503, 86715, 94095, 98277, 107379, 107865, 123093, 163795, 178965, 186919, 202827, 205155, 222615, 232509, 260145, 294831, 338045, 387515, 491385, 536895, 560757, 608481, 615465, 697527, 884493, 934595, 1014135, 1162545, 1474155, 1682271, 1825443, 2092581, 2803785, 3042405, 3177623, 3487635, 4422465, 5046813, 8411355, 9127215, 9532869, 10462905, 15888115, 25234065, 28598607, 47664345, 85795821, 142993035, 428979105]

約数ペア:

[(1, 428979105), (3, 142993035), (5, 85795821), (9, 47664345), (15, 28598607), (17, 25234065), (27, 15888115), (41, 10462905), (45, 9532869), (47, 9127215), (51, 8411355), (85, 5046813), (97, 4422465), (123, 3487635), (135, 3177623), (141, 3042405), (153, 2803785), (205, 2092581), (235, 1825443), (255, 1682271), (291, 1474155), (369, 1162545), (423, 1014135), (459, 934595), (485, 884493), (615, 697527), (697, 615465), (705, 608481), (765, 560757), (799, 536895), (873, 491385), (1107, 387515), (1269, 338045), (1455, 294831), (1649, 260145), (1845, 232509), (1927, 222615), (2091, 205155), (2115, 202827), (2295, 186919), (2397, 178965), (2619, 163795), (3485, 123093), (3977, 107865), (3995, 107379), (4365, 98277), (4559, 94095), (4947, 86715), (5535, 77503), (5781, 74205), (6273, 68385), (6345, 67609), (7191, 59655), (8245, 52029), (9635, 44523), (10455, 41031), (11931, 35955), (11985, 35793), (13095, 32759), (13677, 31365), (14841, 28905), (17343, 24735), (18819, 22795), (19885, 21573)]