72779775

素因数分解:

$3^1\times 5^2\times {\mathrm{353}}^1\times {\mathrm{2749}}^1$

素因数の和:3115

約数の個数: 24

約数和(自身を含む): 120714000

約数和(自身を除く): 47934225

約数列:

[1, 3, 5, 15, 25, 75, 353, 1059, 1765, 2749, 5295, 8247, 8825, 13745, 26475, 41235, 68725, 206175, 970397, 2911191, 4851985, 14555955, 24259925, 72779775]

約数ペア:

[(1, 72779775), (3, 24259925), (5, 14555955), (15, 4851985), (25, 2911191), (75, 970397), (353, 206175), (1059, 68725), (1765, 41235), (2749, 26475), (5295, 13745), (8247, 8825)]