131421276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16823}}^1$

素因数の和:16871

約数の個数: 72

約数和(自身を含む): 391931904

約数和(自身を除く): 260510628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 16823, 33646, 50469, 67292, 100938, 117761, 151407, 201876, 235522, 302814, 353283, 471044, 521513, 605628, 706566, 1043026, 1059849, 1413132, 1564539, 2086052, 2119698, 3129078, 3650591, 4239396, 4693617, 6258156, 7301182, 9387234, 10951773, 14602364, 18774468, 21903546, 32855319, 43807092, 65710638, 131421276]

約数ペア:

[(1, 131421276), (2, 65710638), (3, 43807092), (4, 32855319), (6, 21903546), (7, 18774468), (9, 14602364), (12, 10951773), (14, 9387234), (18, 7301182), (21, 6258156), (28, 4693617), (31, 4239396), (36, 3650591), (42, 3129078), (62, 2119698), (63, 2086052), (84, 1564539), (93, 1413132), (124, 1059849), (126, 1043026), (186, 706566), (217, 605628), (252, 521513), (279, 471044), (372, 353283), (434, 302814), (558, 235522), (651, 201876), (868, 151407), (1116, 117761), (1302, 100938), (1953, 67292), (2604, 50469), (3906, 33646), (7812, 16823)]