38407815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 71165952

約数和(自身を除く): 32758137

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 387, 645, 863, 989, 1035, 1935, 2589, 2967, 4315, 4945, 7767, 8901, 12945, 14835, 19849, 37109, 38835, 44505, 59547, 99245, 111327, 178641, 185545, 297735, 333981, 556635, 853507, 893205, 1669905, 2560521, 4267535, 7681563, 12802605, 38407815]

約数ペア:

[(1, 38407815), (3, 12802605), (5, 7681563), (9, 4267535), (15, 2560521), (23, 1669905), (43, 893205), (45, 853507), (69, 556635), (115, 333981), (129, 297735), (207, 185545), (215, 178641), (345, 111327), (387, 99245), (645, 59547), (863, 44505), (989, 38835), (1035, 37109), (1935, 19849), (2589, 14835), (2967, 12945), (4315, 8901), (4945, 7767)]