8181225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2826

約数の個数: 36

約数和(自身を含む): 15786316

約数和(自身を除く): 7605091

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2797, 2925, 8391, 13985, 25173, 36361, 41955, 69925, 109083, 125865, 181805, 209775, 327249, 545415, 629325, 909025, 1636245, 2727075, 8181225]

約数ペア:

[(1, 8181225), (3, 2727075), (5, 1636245), (9, 909025), (13, 629325), (15, 545415), (25, 327249), (39, 209775), (45, 181805), (65, 125865), (75, 109083), (117, 69925), (195, 41955), (225, 36361), (325, 25173), (585, 13985), (975, 8391), (2797, 2925)]