16404375

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 29478064

約数和(自身を除く): 13073689

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 673, 975, 1625, 1875, 2019, 3365, 4875, 8125, 8749, 10095, 16825, 24375, 26247, 43745, 50475, 84125, 131235, 218725, 252375, 420625, 656175, 1093625, 1261875, 3280875, 5468125, 16404375]

約数ペア:

[(1, 16404375), (3, 5468125), (5, 3280875), (13, 1261875), (15, 1093625), (25, 656175), (39, 420625), (65, 252375), (75, 218725), (125, 131235), (195, 84125), (325, 50475), (375, 43745), (625, 26247), (673, 24375), (975, 16825), (1625, 10095), (1875, 8749), (2019, 8125), (3365, 4875)]