210957831

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 371804160

約数和(自身を除く): 160846329

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 97, 111, 189, 259, 291, 311, 333, 679, 777, 873, 933, 999, 2037, 2177, 2331, 2619, 2799, 3589, 6111, 6531, 6993, 8397, 10767, 11507, 18333, 19593, 25123, 30167, 32301, 34521, 58779, 75369, 80549, 90501, 96903, 103563, 211169, 226107, 241647, 271503, 310689, 633507, 678321, 724941, 814509, 1116179, 1900521, 2174823, 3348537, 5701563, 7813253, 10045611, 23439759, 30136833, 70319277, 210957831]

約数ペア:

[(1, 210957831), (3, 70319277), (7, 30136833), (9, 23439759), (21, 10045611), (27, 7813253), (37, 5701563), (63, 3348537), (97, 2174823), (111, 1900521), (189, 1116179), (259, 814509), (291, 724941), (311, 678321), (333, 633507), (679, 310689), (777, 271503), (873, 241647), (933, 226107), (999, 211169), (2037, 103563), (2177, 96903), (2331, 90501), (2619, 80549), (2799, 75369), (3589, 58779), (6111, 34521), (6531, 32301), (6993, 30167), (8397, 25123), (10767, 19593), (11507, 18333)]