240691689

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 423360000

約数和(自身を除く): 182668311

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 89, 123, 189, 267, 287, 349, 369, 623, 801, 861, 1047, 1107, 1869, 2403, 2443, 2583, 3141, 3649, 5607, 7329, 7749, 9423, 10947, 14309, 16821, 21987, 25543, 31061, 32841, 42927, 65961, 76629, 93183, 98523, 100163, 128781, 217427, 229887, 279549, 300489, 386343, 652281, 689661, 838647, 901467, 1273501, 1956843, 2704401, 3820503, 5870529, 8914507, 11461509, 26743521, 34384527, 80230563, 240691689]

約数ペア:

[(1, 240691689), (3, 80230563), (7, 34384527), (9, 26743521), (21, 11461509), (27, 8914507), (41, 5870529), (63, 3820503), (89, 2704401), (123, 1956843), (189, 1273501), (267, 901467), (287, 838647), (349, 689661), (369, 652281), (623, 386343), (801, 300489), (861, 279549), (1047, 229887), (1107, 217427), (1869, 128781), (2403, 100163), (2443, 98523), (2583, 93183), (3141, 76629), (3649, 65961), (5607, 42927), (7329, 32841), (7749, 31061), (9423, 25543), (10947, 21987), (14309, 16821)]