81535125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 157248000

約数和(自身を除く): 75712875

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 89, 105, 125, 175, 267, 349, 375, 445, 525, 623, 875, 1047, 1335, 1745, 1869, 2225, 2443, 2625, 3115, 5235, 6675, 7329, 8725, 9345, 11125, 12215, 15575, 26175, 31061, 33375, 36645, 43625, 46725, 61075, 77875, 93183, 130875, 155305, 183225, 217427, 233625, 305375, 465915, 652281, 776525, 916125, 1087135, 2329575, 3261405, 3882625, 5435675, 11647875, 16307025, 27178375, 81535125]

約数ペア:

[(1, 81535125), (3, 27178375), (5, 16307025), (7, 11647875), (15, 5435675), (21, 3882625), (25, 3261405), (35, 2329575), (75, 1087135), (89, 916125), (105, 776525), (125, 652281), (175, 465915), (267, 305375), (349, 233625), (375, 217427), (445, 183225), (525, 155305), (623, 130875), (875, 93183), (1047, 77875), (1335, 61075), (1745, 46725), (1869, 43625), (2225, 36645), (2443, 33375), (2625, 31061), (3115, 26175), (5235, 15575), (6675, 12215), (7329, 11125), (8725, 9345)]