43187991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 76578816

約数和(自身を除く): 33390825

約数列:

[1, 3, 7, 11, 21, 31, 33, 37, 77, 93, 111, 163, 217, 231, 259, 341, 407, 489, 651, 777, 1023, 1141, 1147, 1221, 1793, 2387, 2849, 3423, 3441, 5053, 5379, 6031, 7161, 8029, 8547, 12551, 12617, 15159, 18093, 24087, 35371, 37653, 37851, 42217, 55583, 66341, 88319, 106113, 126651, 166749, 186961, 199023, 264957, 389081, 464387, 560883, 1167243, 1308727, 1393161, 2056571, 3926181, 6169713, 14395997, 43187991]

約数ペア:

[(1, 43187991), (3, 14395997), (7, 6169713), (11, 3926181), (21, 2056571), (31, 1393161), (33, 1308727), (37, 1167243), (77, 560883), (93, 464387), (111, 389081), (163, 264957), (217, 199023), (231, 186961), (259, 166749), (341, 126651), (407, 106113), (489, 88319), (651, 66341), (777, 55583), (1023, 42217), (1141, 37851), (1147, 37653), (1221, 35371), (1793, 24087), (2387, 18093), (2849, 15159), (3423, 12617), (3441, 12551), (5053, 8547), (5379, 8029), (6031, 7161)]