15665937

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 26265600

約数和(自身を除く): 10599663

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 79, 133, 147, 213, 237, 399, 497, 553, 931, 1349, 1491, 1501, 1659, 2793, 3479, 3871, 4047, 4503, 5609, 9443, 10437, 10507, 11613, 16827, 28329, 31521, 39263, 66101, 73549, 106571, 117789, 198303, 220647, 274841, 319713, 745997, 824523, 2237991, 5221979, 15665937]

約数ペア:

[(1, 15665937), (3, 5221979), (7, 2237991), (19, 824523), (21, 745997), (49, 319713), (57, 274841), (71, 220647), (79, 198303), (133, 117789), (147, 106571), (213, 73549), (237, 66101), (399, 39263), (497, 31521), (553, 28329), (931, 16827), (1349, 11613), (1491, 10507), (1501, 10437), (1659, 9443), (2793, 5609), (3479, 4503), (3871, 4047)]