153291205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 199065600

約数和(自身を除く): 45774395

約数列:

[1, 5, 23, 47, 79, 115, 235, 359, 395, 1081, 1795, 1817, 3713, 5405, 8257, 9085, 16873, 18565, 28361, 41285, 84365, 85399, 141805, 388079, 426995, 652303, 1332967, 1940395, 3261515, 6664835, 30658241, 153291205]

約数ペア:

[(1, 153291205), (5, 30658241), (23, 6664835), (47, 3261515), (79, 1940395), (115, 1332967), (235, 652303), (359, 426995), (395, 388079), (1081, 141805), (1795, 85399), (1817, 84365), (3713, 41285), (5405, 28361), (8257, 18565), (9085, 16873)]