220123251

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{12409}}^1$

素因数の和:12497

約数の個数: 24

約数和(自身を含む): 334275760

約数和(自身を除く): 114152509

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 12409, 17739, 37227, 111681, 335043, 905857, 1005129, 2717571, 3015387, 8152713, 24458139, 73374417, 220123251]

約数ペア:

[(1, 220123251), (3, 73374417), (9, 24458139), (27, 8152713), (73, 3015387), (81, 2717571), (219, 1005129), (243, 905857), (657, 335043), (1971, 111681), (5913, 37227), (12409, 17739)]