220180923

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{159899}}^1$

素因数の和:159928

約数の個数: 20

約数和(自身を含む): 348262200

約数和(自身を除く): 128081277

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 159899, 479697, 1439091, 2718283, 4317273, 8154849, 12951819, 24464547, 73393641, 220180923]

約数ペア:

[(1, 220180923), (3, 73393641), (9, 24464547), (17, 12951819), (27, 8154849), (51, 4317273), (81, 2718283), (153, 1439091), (459, 479697), (1377, 159899)]