251017875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5253

約数の個数: 48

約数和(自身を含む): 463114080

約数和(自身を除く): 212096205

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 645, 1075, 1125, 1935, 3225, 5189, 5375, 9675, 15567, 16125, 25945, 46701, 48375, 77835, 129725, 223127, 233505, 389175, 648625, 669381, 1115635, 1167525, 1945875, 2008143, 3346905, 5578175, 5837625, 10040715, 16734525, 27890875, 50203575, 83672625, 251017875]

約数ペア:

[(1, 251017875), (3, 83672625), (5, 50203575), (9, 27890875), (15, 16734525), (25, 10040715), (43, 5837625), (45, 5578175), (75, 3346905), (125, 2008143), (129, 1945875), (215, 1167525), (225, 1115635), (375, 669381), (387, 648625), (645, 389175), (1075, 233505), (1125, 223127), (1935, 129725), (3225, 77835), (5189, 48375), (5375, 46701), (9675, 25945), (15567, 16125)]