31308345

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 56339712

約数和(自身を除く): 25031367

約数列:

[1, 3, 5, 9, 15, 45, 47, 113, 131, 141, 235, 339, 393, 423, 565, 655, 705, 1017, 1179, 1695, 1965, 2115, 5085, 5311, 5895, 6157, 14803, 15933, 18471, 26555, 30785, 44409, 47799, 55413, 74015, 79665, 92355, 133227, 222045, 238995, 277065, 666135, 695741, 2087223, 3478705, 6261669, 10436115, 31308345]

約数ペア:

[(1, 31308345), (3, 10436115), (5, 6261669), (9, 3478705), (15, 2087223), (45, 695741), (47, 666135), (113, 277065), (131, 238995), (141, 222045), (235, 133227), (339, 92355), (393, 79665), (423, 74015), (565, 55413), (655, 47799), (705, 44409), (1017, 30785), (1179, 26555), (1695, 18471), (1965, 15933), (2115, 14803), (5085, 6157), (5311, 5895)]