219050973

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 337189248

約数和(自身を除く): 118138275

約数列:

[1, 3, 9, 27, 47, 81, 141, 163, 353, 423, 489, 1059, 1269, 1467, 3177, 3807, 4401, 7661, 9531, 13203, 16591, 22983, 28593, 49773, 57539, 68949, 149319, 172617, 206847, 447957, 517851, 620541, 1343871, 1553553, 2704333, 4660659, 8112999, 24338997, 73016991, 219050973]

約数ペア:

[(1, 219050973), (3, 73016991), (9, 24338997), (27, 8112999), (47, 4660659), (81, 2704333), (141, 1553553), (163, 1343871), (353, 620541), (423, 517851), (489, 447957), (1059, 206847), (1269, 172617), (1467, 149319), (3177, 68949), (3807, 57539), (4401, 49773), (7661, 28593), (9531, 22983), (13203, 16591)]