51820065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 102246144

約数和(自身を除く): 50426079

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 121, 155, 165, 279, 307, 341, 363, 465, 495, 605, 921, 1023, 1089, 1395, 1535, 1705, 1815, 2763, 3069, 3377, 3751, 4605, 5115, 5445, 9517, 10131, 11253, 13815, 15345, 16885, 18755, 28551, 30393, 33759, 37147, 47585, 50655, 56265, 85653, 104687, 111441, 142755, 151965, 168795, 185735, 314061, 334323, 428265, 523435, 557205, 942183, 1151557, 1570305, 1671615, 3454671, 4710915, 5757785, 10364013, 17273355, 51820065]

約数ペア:

[(1, 51820065), (3, 17273355), (5, 10364013), (9, 5757785), (11, 4710915), (15, 3454671), (31, 1671615), (33, 1570305), (45, 1151557), (55, 942183), (93, 557205), (99, 523435), (121, 428265), (155, 334323), (165, 314061), (279, 185735), (307, 168795), (341, 151965), (363, 142755), (465, 111441), (495, 104687), (605, 85653), (921, 56265), (1023, 50655), (1089, 47585), (1395, 37147), (1535, 33759), (1705, 30393), (1815, 28551), (2763, 18755), (3069, 16885), (3377, 15345), (3751, 13815), (4605, 11253), (5115, 10131), (5445, 9517)]