9958905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 19918080

約数和(自身を除く): 9959175

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 59, 93, 99, 121, 155, 165, 177, 279, 295, 341, 363, 465, 495, 531, 605, 649, 885, 1023, 1089, 1395, 1705, 1815, 1829, 1947, 2655, 3069, 3245, 3751, 5115, 5445, 5487, 5841, 7139, 9145, 9735, 11253, 15345, 16461, 18755, 20119, 21417, 27435, 29205, 33759, 35695, 56265, 60357, 64251, 82305, 100595, 107085, 168795, 181071, 221309, 301785, 321255, 663927, 905355, 1106545, 1991781, 3319635, 9958905]

約数ペア:

[(1, 9958905), (3, 3319635), (5, 1991781), (9, 1106545), (11, 905355), (15, 663927), (31, 321255), (33, 301785), (45, 221309), (55, 181071), (59, 168795), (93, 107085), (99, 100595), (121, 82305), (155, 64251), (165, 60357), (177, 56265), (279, 35695), (295, 33759), (341, 29205), (363, 27435), (465, 21417), (495, 20119), (531, 18755), (605, 16461), (649, 15345), (885, 11253), (1023, 9735), (1089, 9145), (1395, 7139), (1705, 5841), (1815, 5487), (1829, 5445), (1947, 5115), (2655, 3751), (3069, 3245)]