69281745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 125712384

約数和(自身を除く): 56430639

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 73, 93, 155, 157, 195, 219, 365, 403, 465, 471, 785, 949, 1095, 1209, 2015, 2041, 2263, 2355, 2847, 4745, 4867, 6045, 6123, 6789, 10205, 11315, 11461, 14235, 14601, 24335, 29419, 30615, 33945, 34383, 57305, 63271, 73005, 88257, 147095, 148993, 171915, 189813, 316355, 355291, 441285, 446979, 744965, 949065, 1065873, 1776455, 2234895, 4618783, 5329365, 13856349, 23093915, 69281745]

約数ペア:

[(1, 69281745), (3, 23093915), (5, 13856349), (13, 5329365), (15, 4618783), (31, 2234895), (39, 1776455), (65, 1065873), (73, 949065), (93, 744965), (155, 446979), (157, 441285), (195, 355291), (219, 316355), (365, 189813), (403, 171915), (465, 148993), (471, 147095), (785, 88257), (949, 73005), (1095, 63271), (1209, 57305), (2015, 34383), (2041, 33945), (2263, 30615), (2355, 29419), (2847, 24335), (4745, 14601), (4867, 14235), (6045, 11461), (6123, 11315), (6789, 10205)]