15644265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 31428096

約数和(自身を除く): 15783831

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 157, 195, 219, 273, 365, 455, 471, 511, 785, 949, 1095, 1099, 1365, 1533, 2041, 2355, 2555, 2847, 3297, 4745, 5495, 6123, 6643, 7665, 10205, 11461, 14235, 14287, 16485, 19929, 30615, 33215, 34383, 42861, 57305, 71435, 80227, 99645, 148993, 171915, 214305, 240681, 401135, 446979, 744965, 1042951, 1203405, 2234895, 3128853, 5214755, 15644265]

約数ペア:

[(1, 15644265), (3, 5214755), (5, 3128853), (7, 2234895), (13, 1203405), (15, 1042951), (21, 744965), (35, 446979), (39, 401135), (65, 240681), (73, 214305), (91, 171915), (105, 148993), (157, 99645), (195, 80227), (219, 71435), (273, 57305), (365, 42861), (455, 34383), (471, 33215), (511, 30615), (785, 19929), (949, 16485), (1095, 14287), (1099, 14235), (1365, 11461), (1533, 10205), (2041, 7665), (2355, 6643), (2555, 6123), (2847, 5495), (3297, 4745)]