1948815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 3833856

約数和(自身を除く): 1885041

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 127, 155, 165, 279, 341, 381, 465, 495, 635, 1023, 1143, 1395, 1397, 1705, 1905, 3069, 3937, 4191, 5115, 5715, 6985, 11811, 12573, 15345, 19685, 20955, 35433, 43307, 59055, 62865, 129921, 177165, 216535, 389763, 649605, 1948815]

約数ペア:

[(1, 1948815), (3, 649605), (5, 389763), (9, 216535), (11, 177165), (15, 129921), (31, 62865), (33, 59055), (45, 43307), (55, 35433), (93, 20955), (99, 19685), (127, 15345), (155, 12573), (165, 11811), (279, 6985), (341, 5715), (381, 5115), (465, 4191), (495, 3937), (635, 3069), (1023, 1905), (1143, 1705), (1395, 1397)]