15278679

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 26880000

約数和(自身を除く): 11601321

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 79, 87, 117, 171, 237, 247, 261, 351, 377, 513, 551, 711, 741, 783, 1027, 1131, 1501, 1653, 2133, 2223, 2291, 3081, 3393, 4503, 4959, 6669, 6873, 7163, 9243, 10179, 13509, 14877, 19513, 20619, 21489, 27729, 29783, 40527, 43529, 58539, 61857, 64467, 89349, 130587, 175617, 193401, 268047, 391761, 526851, 565877, 804141, 1175283, 1697631, 5092893, 15278679]

約数ペア:

[(1, 15278679), (3, 5092893), (9, 1697631), (13, 1175283), (19, 804141), (27, 565877), (29, 526851), (39, 391761), (57, 268047), (79, 193401), (87, 175617), (117, 130587), (171, 89349), (237, 64467), (247, 61857), (261, 58539), (351, 43529), (377, 40527), (513, 29783), (551, 27729), (711, 21489), (741, 20619), (783, 19513), (1027, 14877), (1131, 13509), (1501, 10179), (1653, 9243), (2133, 7163), (2223, 6873), (2291, 6669), (3081, 4959), (3393, 4503)]