206860605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 386498304

約数和(自身を除く): 179637699

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 431, 653, 735, 1293, 1959, 2155, 3017, 3265, 4571, 6465, 9051, 9795, 13713, 15085, 21119, 22855, 31997, 45255, 63357, 68565, 95991, 105595, 159985, 281443, 316785, 479955, 844329, 1407215, 1970101, 4221645, 5910303, 9850505, 13790707, 29551515, 41372121, 68953535, 206860605]

約数ペア:

[(1, 206860605), (3, 68953535), (5, 41372121), (7, 29551515), (15, 13790707), (21, 9850505), (35, 5910303), (49, 4221645), (105, 1970101), (147, 1407215), (245, 844329), (431, 479955), (653, 316785), (735, 281443), (1293, 159985), (1959, 105595), (2155, 95991), (3017, 68565), (3265, 63357), (4571, 45255), (6465, 31997), (9051, 22855), (9795, 21119), (13713, 15085)]