1648755

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1496205

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 59, 69, 81, 115, 135, 177, 207, 243, 295, 345, 405, 531, 621, 885, 1035, 1215, 1357, 1593, 1863, 2655, 3105, 4071, 4779, 5589, 6785, 7965, 9315, 12213, 14337, 20355, 23895, 27945, 36639, 61065, 71685, 109917, 183195, 329751, 549585, 1648755]

約数ペア:

[(1, 1648755), (3, 549585), (5, 329751), (9, 183195), (15, 109917), (23, 71685), (27, 61065), (45, 36639), (59, 27945), (69, 23895), (81, 20355), (115, 14337), (135, 12213), (177, 9315), (207, 7965), (243, 6785), (295, 5589), (345, 4779), (405, 4071), (531, 3105), (621, 2655), (885, 1863), (1035, 1593), (1215, 1357)]