155280981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 223534080

約数和(自身を除く): 68253099

約数列:

[1, 3, 23, 41, 69, 123, 131, 393, 419, 943, 1257, 2829, 3013, 5371, 9039, 9637, 16113, 17179, 28911, 51537, 54889, 123533, 164667, 370599, 395117, 1185351, 1262447, 2250449, 3787341, 6751347, 51760327, 155280981]

約数ペア:

[(1, 155280981), (3, 51760327), (23, 6751347), (41, 3787341), (69, 2250449), (123, 1262447), (131, 1185351), (393, 395117), (419, 370599), (943, 164667), (1257, 123533), (2829, 54889), (3013, 51537), (5371, 28911), (9039, 17179), (9637, 16113)]