1904290317

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{54547}}^1$

素因数の和:54990

約数の個数: 20

約数和(自身を含む): 2851333056

約数和(自身を除く): 947042739

約数列:

[1, 3, 9, 27, 81, 431, 1293, 3879, 11637, 34911, 54547, 163641, 490923, 1472769, 4418307, 23509757, 70529271, 211587813, 634763439, 1904290317]

約数ペア:

[(1, 1904290317), (3, 634763439), (9, 211587813), (27, 70529271), (81, 23509757), (431, 4418307), (1293, 1472769), (3879, 490923), (11637, 163641), (34911, 54547)]