71771625

素因数分解:

$3^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 130635648

約数和(自身を除く): 58864023

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 131, 225, 375, 393, 487, 655, 1125, 1179, 1461, 1965, 2435, 3275, 4383, 5895, 7305, 9825, 12175, 16375, 21915, 29475, 36525, 49125, 60875, 63797, 109575, 147375, 182625, 191391, 318985, 547875, 574173, 956955, 1594925, 2870865, 4784775, 7974625, 14354325, 23923875, 71771625]

約数ペア:

[(1, 71771625), (3, 23923875), (5, 14354325), (9, 7974625), (15, 4784775), (25, 2870865), (45, 1594925), (75, 956955), (125, 574173), (131, 547875), (225, 318985), (375, 191391), (393, 182625), (487, 147375), (655, 109575), (1125, 63797), (1179, 60875), (1461, 49125), (1965, 36525), (2435, 29475), (3275, 21915), (4383, 16375), (5895, 12175), (7305, 9825)]