16604505

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 30640896

約数和(自身を除く): 14036391

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 263, 305, 345, 549, 789, 915, 1035, 1315, 1403, 2367, 2745, 3945, 4209, 6049, 7015, 11835, 12627, 16043, 18147, 21045, 30245, 48129, 54441, 63135, 80215, 90735, 144387, 240645, 272205, 368989, 721935, 1106967, 1844945, 3320901, 5534835, 16604505]

約数ペア:

[(1, 16604505), (3, 5534835), (5, 3320901), (9, 1844945), (15, 1106967), (23, 721935), (45, 368989), (61, 272205), (69, 240645), (115, 144387), (183, 90735), (207, 80215), (263, 63135), (305, 54441), (345, 48129), (549, 30245), (789, 21045), (915, 18147), (1035, 16043), (1315, 12627), (1403, 11835), (2367, 7015), (2745, 6049), (3945, 4209)]