12909999105

素因数分解:

$3^4\times 5^1\times {\mathrm{4261}}^1\times {\mathrm{7481}}^1$

素因数の和:11759

約数の個数: 40

約数和(自身を含む): 23150894184

約数和(自身を除く): 10240895079

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4261, 7481, 12783, 21305, 22443, 37405, 38349, 63915, 67329, 112215, 115047, 191745, 201987, 336645, 345141, 575235, 605961, 1009935, 1725705, 3029805, 31876541, 95629623, 159382705, 286888869, 478148115, 860666607, 1434444345, 2581999821, 4303333035, 12909999105]

約数ペア:

[(1, 12909999105), (3, 4303333035), (5, 2581999821), (9, 1434444345), (15, 860666607), (27, 478148115), (45, 286888869), (81, 159382705), (135, 95629623), (405, 31876541), (4261, 3029805), (7481, 1725705), (12783, 1009935), (21305, 605961), (22443, 575235), (37405, 345141), (38349, 336645), (63915, 201987), (67329, 191745), (112215, 115047)]