31200897

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 54008640

約数和(自身を除く): 22807743

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 563, 609, 637, 1131, 1421, 1689, 1911, 2639, 3941, 4263, 7319, 7917, 11823, 16327, 18473, 21957, 27587, 48981, 51233, 55419, 82761, 114289, 153699, 212251, 342867, 358631, 636753, 800023, 1075893, 1485757, 2400069, 4457271, 10400299, 31200897]

約数ペア:

[(1, 31200897), (3, 10400299), (7, 4457271), (13, 2400069), (21, 1485757), (29, 1075893), (39, 800023), (49, 636753), (87, 358631), (91, 342867), (147, 212251), (203, 153699), (273, 114289), (377, 82761), (563, 55419), (609, 51233), (637, 48981), (1131, 27587), (1421, 21957), (1689, 18473), (1911, 16327), (2639, 11823), (3941, 7917), (4263, 7319)]