206817705

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17609}}^1$

素因数の和:17655

約数の個数: 40

約数和(自身を含む): 383545800

約数和(自身を除く): 176728095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 17609, 52827, 88045, 158481, 264135, 475443, 510661, 792405, 1426329, 1531983, 2377215, 2553305, 4595949, 7131645, 7659915, 13787847, 22979745, 41363541, 68939235, 206817705]

約数ペア:

[(1, 206817705), (3, 68939235), (5, 41363541), (9, 22979745), (15, 13787847), (27, 7659915), (29, 7131645), (45, 4595949), (81, 2553305), (87, 2377215), (135, 1531983), (145, 1426329), (261, 792405), (405, 510661), (435, 475443), (783, 264135), (1305, 158481), (2349, 88045), (3915, 52827), (11745, 17609)]