217430493

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 359904384

約数和(自身を除く): 142473891

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 167, 357, 501, 521, 833, 1169, 1563, 2499, 2839, 3507, 3647, 8183, 8517, 8857, 10941, 19873, 24549, 25529, 26571, 59619, 61999, 76587, 87007, 139111, 185997, 261021, 417333, 433993, 609049, 1301979, 1479119, 1827147, 4263343, 4437357, 10353833, 12790029, 31061499, 72476831, 217430493]

約数ペア:

[(1, 217430493), (3, 72476831), (7, 31061499), (17, 12790029), (21, 10353833), (49, 4437357), (51, 4263343), (119, 1827147), (147, 1479119), (167, 1301979), (357, 609049), (501, 433993), (521, 417333), (833, 261021), (1169, 185997), (1563, 139111), (2499, 87007), (2839, 76587), (3507, 61999), (3647, 59619), (8183, 26571), (8517, 25529), (8857, 24549), (10941, 19873)]