16972917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 25872000

約数和(自身を除く): 8899083

約数列:

[1, 3, 13, 29, 39, 43, 87, 129, 349, 377, 559, 1047, 1131, 1247, 1677, 3741, 4537, 10121, 13611, 15007, 16211, 30363, 45021, 48633, 131573, 195091, 394719, 435203, 585273, 1305609, 5657639, 16972917]

約数ペア:

[(1, 16972917), (3, 5657639), (13, 1305609), (29, 585273), (39, 435203), (43, 394719), (87, 195091), (129, 131573), (349, 48633), (377, 45021), (559, 30363), (1047, 16211), (1131, 15007), (1247, 13611), (1677, 10121), (3741, 4537)]