2021069961

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{25229}}^1$

素因数の和:25307

約数の個数: 40

約数和(自身を含む): 3223788480

約数和(自身を除く): 1202718519

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 989, 1161, 1863, 2967, 3483, 8901, 25229, 26703, 75687, 80109, 227061, 580267, 681183, 1084847, 1740801, 2043549, 3254541, 5222403, 9763623, 15667209, 24951481, 29290869, 47001627, 74854443, 87872607, 224563329, 673689987, 2021069961]

約数ペア:

[(1, 2021069961), (3, 673689987), (9, 224563329), (23, 87872607), (27, 74854443), (43, 47001627), (69, 29290869), (81, 24951481), (129, 15667209), (207, 9763623), (387, 5222403), (621, 3254541), (989, 2043549), (1161, 1740801), (1863, 1084847), (2967, 681183), (3483, 580267), (8901, 227061), (25229, 80109), (26703, 75687)]