15894405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13758075

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 153, 237, 255, 263, 395, 711, 765, 789, 1185, 1315, 1343, 2367, 3555, 3945, 4029, 4471, 6715, 11835, 12087, 13413, 20145, 20777, 22355, 40239, 60435, 62331, 67065, 103885, 186993, 201195, 311655, 353209, 934965, 1059627, 1766045, 3178881, 5298135, 15894405]

約数ペア:

[(1, 15894405), (3, 5298135), (5, 3178881), (9, 1766045), (15, 1059627), (17, 934965), (45, 353209), (51, 311655), (79, 201195), (85, 186993), (153, 103885), (237, 67065), (255, 62331), (263, 60435), (395, 40239), (711, 22355), (765, 20777), (789, 20145), (1185, 13413), (1315, 12087), (1343, 11835), (2367, 6715), (3555, 4471), (3945, 4029)]