172912107

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 242445312

約数和(自身を除く): 69533205

約数列:

[1, 3, 47, 73, 107, 141, 157, 219, 321, 471, 3431, 5029, 7379, 7811, 10293, 11461, 15087, 16799, 22137, 23433, 34383, 50397, 367117, 538667, 789553, 1101351, 1226327, 1616001, 2368659, 3678981, 57637369, 172912107]

約数ペア:

[(1, 172912107), (3, 57637369), (47, 3678981), (73, 2368659), (107, 1616001), (141, 1226327), (157, 1101351), (219, 789553), (321, 538667), (471, 367117), (3431, 50397), (5029, 34383), (7379, 23433), (7811, 22137), (10293, 16799), (11461, 15087)]