201319391

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 267033600

約数和(自身を除く): 65714209

約数列:

[1, 7, 13, 23, 49, 91, 151, 161, 169, 299, 343, 637, 1057, 1127, 1183, 1963, 2093, 3473, 3887, 4459, 7399, 7889, 8281, 13741, 14651, 24311, 25519, 27209, 45149, 51793, 57967, 96187, 102557, 170177, 178633, 190463, 316043, 586937, 673309, 1191239, 1250431, 1333241, 2212301, 4108559, 8753017, 15486107, 28759913, 201319391]

約数ペア:

[(1, 201319391), (7, 28759913), (13, 15486107), (23, 8753017), (49, 4108559), (91, 2212301), (151, 1333241), (161, 1250431), (169, 1191239), (299, 673309), (343, 586937), (637, 316043), (1057, 190463), (1127, 178633), (1183, 170177), (1963, 102557), (2093, 96187), (3473, 57967), (3887, 51793), (4459, 45149), (7399, 27209), (7889, 25519), (8281, 24311), (13741, 14651)]