28230813

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2389}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 44367960

約数和(自身を除く): 16137147

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 2389, 3939, 7167, 11817, 21501, 31057, 93171, 241289, 279513, 723867, 2171601, 3136757, 9410271, 28230813]

約数ペア:

[(1, 28230813), (3, 9410271), (9, 3136757), (13, 2171601), (39, 723867), (101, 279513), (117, 241289), (303, 93171), (909, 31057), (1313, 21501), (2389, 11817), (3939, 7167)]