51256179

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 84326400

約数和(自身を除く): 33070221

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 169, 239, 351, 423, 507, 611, 717, 1269, 1521, 1833, 2151, 3107, 4563, 5499, 6453, 7943, 9321, 11233, 16497, 23829, 27963, 33699, 40391, 71487, 83889, 101097, 121173, 146029, 214461, 303291, 363519, 438087, 1090557, 1314261, 1898377, 3942783, 5695131, 17085393, 51256179]

約数ペア:

[(1, 51256179), (3, 17085393), (9, 5695131), (13, 3942783), (27, 1898377), (39, 1314261), (47, 1090557), (117, 438087), (141, 363519), (169, 303291), (239, 214461), (351, 146029), (423, 121173), (507, 101097), (611, 83889), (717, 71487), (1269, 40391), (1521, 33699), (1833, 27963), (2151, 23829), (3107, 16497), (4563, 11233), (5499, 9321), (6453, 7943)]