2509875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 4769856

約数和(自身を除く): 2259981

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 97, 115, 125, 207, 225, 291, 345, 375, 485, 575, 873, 1035, 1125, 1455, 1725, 2231, 2425, 2875, 4365, 5175, 6693, 7275, 8625, 11155, 12125, 20079, 21825, 25875, 33465, 36375, 55775, 100395, 109125, 167325, 278875, 501975, 836625, 2509875]

約数ペア:

[(1, 2509875), (3, 836625), (5, 501975), (9, 278875), (15, 167325), (23, 109125), (25, 100395), (45, 55775), (69, 36375), (75, 33465), (97, 25875), (115, 21825), (125, 20079), (207, 12125), (225, 11155), (291, 8625), (345, 7275), (375, 6693), (485, 5175), (575, 4365), (873, 2875), (1035, 2425), (1125, 2231), (1455, 1725)]