87123231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2029}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 135961280

約数和(自身を除く): 48838049

約数列:

[1, 3, 9, 13, 39, 117, 367, 1101, 2029, 3303, 4771, 6087, 14313, 18261, 26377, 42939, 79131, 237393, 744643, 2233929, 6701787, 9680359, 29041077, 87123231]

約数ペア:

[(1, 87123231), (3, 29041077), (9, 9680359), (13, 6701787), (39, 2233929), (117, 744643), (367, 237393), (1101, 79131), (2029, 42939), (3303, 26377), (4771, 18261), (6087, 14313)]