199971285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 328648320

約数和(自身を除く): 128677035

約数列:

[1, 3, 5, 15, 43, 129, 215, 389, 645, 797, 1167, 1945, 2391, 3985, 5835, 11955, 16727, 34271, 50181, 83635, 102813, 171355, 250905, 310033, 514065, 930099, 1550165, 4650495, 13331419, 39994257, 66657095, 199971285]

約数ペア:

[(1, 199971285), (3, 66657095), (5, 39994257), (15, 13331419), (43, 4650495), (129, 1550165), (215, 930099), (389, 514065), (645, 310033), (797, 250905), (1167, 171355), (1945, 102813), (2391, 83635), (3985, 50181), (5835, 34271), (11955, 16727)]