72405156987

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{6917}}^1$

素因数の和:7191

約数の個数: 56

約数和(自身を含む): 110517042384

約数和(自身を除く): 38111885397

約数列:

[1, 3, 9, 27, 81, 83, 173, 243, 249, 519, 729, 747, 1557, 2241, 4671, 6723, 6917, 14013, 14359, 20169, 20751, 42039, 43077, 60507, 62253, 126117, 129231, 186759, 387693, 560277, 574111, 1163079, 1196641, 1680831, 1722333, 3489237, 3589923, 5042493, 5166999, 10467711, 10769769, 15500997, 32309307, 46502991, 96927921, 99321203, 139508973, 290783763, 297963609, 418526919, 872351289, 893890827, 2681672481, 8045017443, 24135052329, 72405156987]

約数ペア:

[(1, 72405156987), (3, 24135052329), (9, 8045017443), (27, 2681672481), (81, 893890827), (83, 872351289), (173, 418526919), (243, 297963609), (249, 290783763), (519, 139508973), (729, 99321203), (747, 96927921), (1557, 46502991), (2241, 32309307), (4671, 15500997), (6723, 10769769), (6917, 10467711), (14013, 5166999), (14359, 5042493), (20169, 3589923), (20751, 3489237), (42039, 1722333), (43077, 1680831), (60507, 1196641), (62253, 1163079), (126117, 574111), (129231, 560277), (186759, 387693)]