201968529

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{69191}}^1$

素因数の和:69340

約数の個数: 16

約数和(自身を含む): 309980160

約数和(自身を除く): 108011631

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 69191, 207573, 484337, 1453011, 9617549, 28852647, 67322843, 201968529]

約数ペア:

[(1, 201968529), (3, 67322843), (7, 28852647), (21, 9617549), (139, 1453011), (417, 484337), (973, 207573), (2919, 69191)]