18050325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 31753920

約数和(自身を除く): 13703595

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 145, 193, 215, 435, 579, 645, 725, 965, 1075, 1247, 2175, 2895, 3225, 3741, 4825, 5597, 6235, 8299, 14475, 16791, 18705, 24897, 27985, 31175, 41495, 83955, 93525, 124485, 139925, 207475, 240671, 419775, 622425, 722013, 1203355, 3610065, 6016775, 18050325]

約数ペア:

[(1, 18050325), (3, 6016775), (5, 3610065), (15, 1203355), (25, 722013), (29, 622425), (43, 419775), (75, 240671), (87, 207475), (129, 139925), (145, 124485), (193, 93525), (215, 83955), (435, 41495), (579, 31175), (645, 27985), (725, 24897), (965, 18705), (1075, 16791), (1247, 14475), (2175, 8299), (2895, 6235), (3225, 5597), (3741, 4825)]