78995625

素因数分解:

$3^1\times 5^4\times {\mathrm{42131}}^1$

素因数の和:42154

約数の個数: 20

約数和(自身を含む): 131620368

約数和(自身を除く): 52624743

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 42131, 126393, 210655, 631965, 1053275, 3159825, 5266375, 15799125, 26331875, 78995625]

約数ペア:

[(1, 78995625), (3, 26331875), (5, 15799125), (15, 5266375), (25, 3159825), (75, 1053275), (125, 631965), (375, 210655), (625, 126393), (1875, 42131)]