28398903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2687}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 40943616

約数和(自身を除く): 12544713

約数列:

[1, 3, 13, 39, 271, 813, 2687, 3523, 8061, 10569, 34931, 104793, 728177, 2184531, 9466301, 28398903]

約数ペア:

[(1, 28398903), (3, 9466301), (13, 2184531), (39, 728177), (271, 104793), (813, 34931), (2687, 10569), (3523, 8061)]