18240375

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 30670848

約数和(自身を除く): 12430473

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 383, 635, 1149, 1905, 1915, 3175, 5745, 9525, 9575, 15875, 28725, 47625, 47875, 48641, 143625, 145923, 243205, 729615, 1216025, 3648075, 6080125, 18240375]

約数ペア:

[(1, 18240375), (3, 6080125), (5, 3648075), (15, 1216025), (25, 729615), (75, 243205), (125, 145923), (127, 143625), (375, 48641), (381, 47875), (383, 47625), (635, 28725), (1149, 15875), (1905, 9575), (1915, 9525), (3175, 5745)]