648032985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13498

約数の個数: 48

約数和(自身を含む): 1193484240

約数和(自身を除く): 545451255

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 87, 111, 145, 185, 261, 333, 435, 555, 1073, 1305, 1665, 3219, 5365, 9657, 13421, 16095, 40263, 48285, 67105, 120789, 201315, 389209, 496577, 603945, 1167627, 1489731, 1946045, 2482885, 3502881, 4469193, 5838135, 7448655, 14400733, 17514405, 22345965, 43202199, 72003665, 129606597, 216010995, 648032985]

約数ペア:

[(1, 648032985), (3, 216010995), (5, 129606597), (9, 72003665), (15, 43202199), (29, 22345965), (37, 17514405), (45, 14400733), (87, 7448655), (111, 5838135), (145, 4469193), (185, 3502881), (261, 2482885), (333, 1946045), (435, 1489731), (555, 1167627), (1073, 603945), (1305, 496577), (1665, 389209), (3219, 201315), (5365, 120789), (9657, 67105), (13421, 48285), (16095, 40263)]