289672719

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{260263}}^1$

素因数の和:260326

約数の個数: 16

約数和(自身を含む): 449736192

約数和(自身を除く): 160063473

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 260263, 780789, 1821841, 5465523, 13793939, 41381817, 96557573, 289672719]

約数ペア:

[(1, 289672719), (3, 96557573), (7, 41381817), (21, 13793939), (53, 5465523), (159, 1821841), (371, 780789), (1113, 260263)]