78734715

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 128928000

約数和(自身を除く): 50193285

約数列:

[1, 3, 5, 15, 67, 157, 201, 335, 471, 499, 785, 1005, 1497, 2355, 2495, 7485, 10519, 31557, 33433, 52595, 78343, 100299, 157785, 167165, 235029, 391715, 501495, 1175145, 5248981, 15746943, 26244905, 78734715]

約数ペア:

[(1, 78734715), (3, 26244905), (5, 15746943), (15, 5248981), (67, 1175145), (157, 501495), (201, 391715), (335, 235029), (471, 167165), (499, 157785), (785, 100299), (1005, 78343), (1497, 52595), (2355, 33433), (2495, 31557), (7485, 10519)]