13261875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 24142272

約数和(自身を除く): 10880397

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 643, 825, 1375, 1875, 1929, 3215, 4125, 6875, 7073, 9645, 16075, 20625, 21219, 35365, 48225, 80375, 106095, 176825, 241125, 401875, 530475, 884125, 1205625, 2652375, 4420625, 13261875]

約数ペア:

[(1, 13261875), (3, 4420625), (5, 2652375), (11, 1205625), (15, 884125), (25, 530475), (33, 401875), (55, 241125), (75, 176825), (125, 106095), (165, 80375), (275, 48225), (375, 35365), (625, 21219), (643, 20625), (825, 16075), (1375, 9645), (1875, 7073), (1929, 6875), (3215, 4125)]