28615725

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1429}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 51866100

約数和(自身を除く): 23250375

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 1429, 2225, 4005, 4287, 6675, 7145, 12861, 20025, 21435, 35725, 64305, 107175, 127181, 321525, 381543, 635905, 1144629, 1907715, 3179525, 5723145, 9538575, 28615725]

約数ペア:

[(1, 28615725), (3, 9538575), (5, 5723145), (9, 3179525), (15, 1907715), (25, 1144629), (45, 635905), (75, 381543), (89, 321525), (225, 127181), (267, 107175), (445, 64305), (801, 35725), (1335, 21435), (1429, 20025), (2225, 12861), (4005, 7145), (4287, 6675)]