890451375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1553}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 1629089280

約数和(自身を除く): 738637905

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 139, 165, 275, 375, 417, 695, 825, 1375, 1529, 1553, 2085, 3475, 4125, 4587, 4659, 7645, 7765, 10425, 17083, 17375, 22935, 23295, 38225, 38825, 51249, 52125, 85415, 114675, 116475, 191125, 194125, 215867, 256245, 427075, 573375, 582375, 647601, 1079335, 1281225, 2135375, 2374537, 3238005, 5396675, 6406125, 7123611, 11872685, 16190025, 26983375, 35618055, 59363425, 80950125, 178090275, 296817125, 890451375]

約数ペア:

[(1, 890451375), (3, 296817125), (5, 178090275), (11, 80950125), (15, 59363425), (25, 35618055), (33, 26983375), (55, 16190025), (75, 11872685), (125, 7123611), (139, 6406125), (165, 5396675), (275, 3238005), (375, 2374537), (417, 2135375), (695, 1281225), (825, 1079335), (1375, 647601), (1529, 582375), (1553, 573375), (2085, 427075), (3475, 256245), (4125, 215867), (4587, 194125), (4659, 191125), (7645, 116475), (7765, 114675), (10425, 85415), (17083, 52125), (17375, 51249), (22935, 38825), (23295, 38225)]