47872461

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 84115584

約数和(自身を除く): 36243123

約数列:

[1, 3, 7, 13, 21, 39, 41, 47, 49, 91, 123, 141, 147, 169, 273, 287, 329, 507, 533, 611, 637, 861, 987, 1183, 1599, 1833, 1911, 1927, 2009, 2303, 3549, 3731, 4277, 5781, 6027, 6909, 6929, 7943, 8281, 11193, 12831, 13489, 20787, 23829, 24843, 25051, 26117, 29939, 40467, 48503, 55601, 75153, 78351, 89817, 94423, 145509, 166803, 175357, 283269, 325663, 339521, 389207, 526071, 976989, 1018563, 1167621, 1227499, 2279641, 3682497, 6838923, 15957487, 47872461]

約数ペア:

[(1, 47872461), (3, 15957487), (7, 6838923), (13, 3682497), (21, 2279641), (39, 1227499), (41, 1167621), (47, 1018563), (49, 976989), (91, 526071), (123, 389207), (141, 339521), (147, 325663), (169, 283269), (273, 175357), (287, 166803), (329, 145509), (507, 94423), (533, 89817), (611, 78351), (637, 75153), (861, 55601), (987, 48503), (1183, 40467), (1599, 29939), (1833, 26117), (1911, 25051), (1927, 24843), (2009, 23829), (2303, 20787), (3549, 13489), (3731, 12831), (4277, 11193), (5781, 8281), (6027, 7943), (6909, 6929)]