281190531

素因数分解:

$3^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 377733888

約数和(自身を除く): 96543357

約数列:

[1, 3, 251, 421, 753, 887, 1263, 2661, 105671, 222637, 317013, 373427, 667911, 1120281, 93730177, 281190531]

約数ペア:

[(1, 281190531), (3, 93730177), (251, 1120281), (421, 667911), (753, 373427), (887, 317013), (1263, 222637), (2661, 105671)]