61987107

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 104697600

約数和(自身を除く): 42710493

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 199, 273, 489, 597, 637, 1141, 1393, 1911, 2119, 2587, 3423, 4179, 6357, 7761, 7987, 9751, 14833, 18109, 23961, 29253, 32437, 44499, 54327, 97311, 103831, 126763, 227059, 311493, 380289, 421681, 681177, 1265043, 1589413, 2951767, 4768239, 8855301, 20662369, 61987107]

約数ペア:

[(1, 61987107), (3, 20662369), (7, 8855301), (13, 4768239), (21, 2951767), (39, 1589413), (49, 1265043), (91, 681177), (147, 421681), (163, 380289), (199, 311493), (273, 227059), (489, 126763), (597, 103831), (637, 97311), (1141, 54327), (1393, 44499), (1911, 32437), (2119, 29253), (2587, 23961), (3423, 18109), (4179, 14833), (6357, 9751), (7761, 7987)]