2012207985

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{21529}}^1$

素因数の和:21638

約数の個数: 48

約数和(自身を含む): 3654243840

約数和(自身を除く): 1642035855

約数列:

[1, 3, 5, 9, 15, 31, 45, 67, 93, 155, 201, 279, 335, 465, 603, 1005, 1395, 2077, 3015, 6231, 10385, 18693, 21529, 31155, 64587, 93465, 107645, 193761, 322935, 667399, 968805, 1442443, 2002197, 3336995, 4327329, 6006591, 7212215, 10010985, 12981987, 21636645, 30032955, 44715733, 64909935, 134147199, 223578665, 402441597, 670735995, 2012207985]

約数ペア:

[(1, 2012207985), (3, 670735995), (5, 402441597), (9, 223578665), (15, 134147199), (31, 64909935), (45, 44715733), (67, 30032955), (93, 21636645), (155, 12981987), (201, 10010985), (279, 7212215), (335, 6006591), (465, 4327329), (603, 3336995), (1005, 2002197), (1395, 1442443), (2077, 968805), (3015, 667399), (6231, 322935), (10385, 193761), (18693, 107645), (21529, 93465), (31155, 64587)]