13555215

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12249585

約数列:

[1, 3, 5, 9, 15, 27, 31, 41, 45, 79, 93, 123, 135, 155, 205, 237, 279, 369, 395, 465, 615, 711, 837, 1107, 1185, 1271, 1395, 1845, 2133, 2449, 3239, 3555, 3813, 4185, 5535, 6355, 7347, 9717, 10665, 11439, 12245, 16195, 19065, 22041, 29151, 34317, 36735, 48585, 57195, 66123, 87453, 100409, 110205, 145755, 171585, 301227, 330615, 437265, 502045, 903681, 1506135, 2711043, 4518405, 13555215]

約数ペア:

[(1, 13555215), (3, 4518405), (5, 2711043), (9, 1506135), (15, 903681), (27, 502045), (31, 437265), (41, 330615), (45, 301227), (79, 171585), (93, 145755), (123, 110205), (135, 100409), (155, 87453), (205, 66123), (237, 57195), (279, 48585), (369, 36735), (395, 34317), (465, 29151), (615, 22041), (711, 19065), (837, 16195), (1107, 12245), (1185, 11439), (1271, 10665), (1395, 9717), (1845, 7347), (2133, 6355), (2449, 5535), (3239, 4185), (3555, 3813)]