66128013

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 116453376

約数和(自身を除く): 50325363

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 971, 987, 1081, 1449, 2913, 2961, 3243, 6797, 7567, 8739, 9729, 20391, 22333, 22701, 45637, 61173, 66999, 68103, 136911, 156331, 200997, 319459, 410733, 468993, 958377, 1049651, 1406979, 2875131, 3148953, 7347557, 9446859, 22042671, 66128013]

約数ペア:

[(1, 66128013), (3, 22042671), (7, 9446859), (9, 7347557), (21, 3148953), (23, 2875131), (47, 1406979), (63, 1049651), (69, 958377), (141, 468993), (161, 410733), (207, 319459), (329, 200997), (423, 156331), (483, 136911), (971, 68103), (987, 66999), (1081, 61173), (1449, 45637), (2913, 22701), (2961, 22333), (3243, 20391), (6797, 9729), (7567, 8739)]