173801875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21424

約数の個数: 20

約数和(自身を含む): 233900128

約数和(自身を除く): 60098253

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 21391, 106955, 278083, 534775, 1390415, 2673875, 6952075, 13369375, 34760375, 173801875]

約数ペア:

[(1, 173801875), (5, 34760375), (13, 13369375), (25, 6952075), (65, 2673875), (125, 1390415), (325, 534775), (625, 278083), (1625, 106955), (8125, 21391)]