8171865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 15571920

約数和(自身を除く): 7400055

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 229, 305, 549, 585, 687, 793, 915, 1145, 2061, 2379, 2745, 2977, 3435, 3965, 7137, 8931, 10305, 11895, 13969, 14885, 26793, 35685, 41907, 44655, 69845, 125721, 133965, 181597, 209535, 544791, 628605, 907985, 1634373, 2723955, 8171865]

約数ペア:

[(1, 8171865), (3, 2723955), (5, 1634373), (9, 907985), (13, 628605), (15, 544791), (39, 209535), (45, 181597), (61, 133965), (65, 125721), (117, 69845), (183, 44655), (195, 41907), (229, 35685), (305, 26793), (549, 14885), (585, 13969), (687, 11895), (793, 10305), (915, 8931), (1145, 7137), (2061, 3965), (2379, 3435), (2745, 2977)]