71503125

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 52238955

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 263, 375, 435, 625, 725, 789, 1315, 1875, 2175, 3125, 3625, 3945, 6575, 7627, 9375, 10875, 18125, 19725, 22881, 32875, 38135, 54375, 90625, 98625, 114405, 164375, 190675, 271875, 493125, 572025, 821875, 953375, 2465625, 2860125, 4766875, 14300625, 23834375, 71503125]

約数ペア:

[(1, 71503125), (3, 23834375), (5, 14300625), (15, 4766875), (25, 2860125), (29, 2465625), (75, 953375), (87, 821875), (125, 572025), (145, 493125), (263, 271875), (375, 190675), (435, 164375), (625, 114405), (725, 98625), (789, 90625), (1315, 54375), (1875, 38135), (2175, 32875), (3125, 22881), (3625, 19725), (3945, 18125), (6575, 10875), (7627, 9375)]