42457569

素因数分解:

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

素因数の和:88

約数の個数: 64

約数和(自身を含む): 74956800

約数和(自身を除く): 32499231

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 121, 147, 217, 231, 341, 343, 363, 539, 651, 847, 1023, 1029, 1331, 1519, 1617, 2387, 2541, 3751, 3773, 3993, 4557, 5929, 7161, 9317, 10633, 11253, 11319, 16709, 17787, 26257, 27951, 31899, 41261, 41503, 50127, 65219, 78771, 116963, 123783, 124509, 183799, 195657, 288827, 350889, 456533, 551397, 866481, 1286593, 1369599, 2021789, 3859779, 6065367, 14152523, 42457569]

約数ペア:

[(1, 42457569), (3, 14152523), (7, 6065367), (11, 3859779), (21, 2021789), (31, 1369599), (33, 1286593), (49, 866481), (77, 551397), (93, 456533), (121, 350889), (147, 288827), (217, 195657), (231, 183799), (341, 124509), (343, 123783), (363, 116963), (539, 78771), (651, 65219), (847, 50127), (1023, 41503), (1029, 41261), (1331, 31899), (1519, 27951), (1617, 26257), (2387, 17787), (2541, 16709), (3751, 11319), (3773, 11253), (3993, 10633), (4557, 9317), (5929, 7161)]