202321557

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 320040160

約数和(自身を除く): 117718603

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 541, 729, 1539, 1623, 2187, 4617, 4869, 6561, 10279, 13851, 14607, 19683, 30837, 41553, 43821, 92511, 124659, 131463, 277533, 373977, 394389, 832599, 1183167, 2497797, 3549501, 7493391, 10648503, 22480173, 67440519, 202321557]

約数ペア:

[(1, 202321557), (3, 67440519), (9, 22480173), (19, 10648503), (27, 7493391), (57, 3549501), (81, 2497797), (171, 1183167), (243, 832599), (513, 394389), (541, 373977), (729, 277533), (1539, 131463), (1623, 124659), (2187, 92511), (4617, 43821), (4869, 41553), (6561, 30837), (10279, 19683), (13851, 14607)]