255778875

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{1879}}^1$

素因数の和:1922

約数の個数: 72

約数和(自身を含む): 507081120

約数和(自身を除く): 251302245

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 125, 165, 225, 275, 363, 375, 495, 605, 825, 1089, 1125, 1375, 1815, 1879, 2475, 3025, 4125, 5445, 5637, 9075, 9395, 12375, 15125, 16911, 20669, 27225, 28185, 45375, 46975, 62007, 84555, 103345, 136125, 140925, 186021, 227359, 234875, 310035, 422775, 516725, 682077, 704625, 930105, 1136795, 1550175, 2046231, 2113875, 2583625, 3410385, 4650525, 5683975, 7750875, 10231155, 17051925, 23252625, 28419875, 51155775, 85259625, 255778875]

約数ペア:

[(1, 255778875), (3, 85259625), (5, 51155775), (9, 28419875), (11, 23252625), (15, 17051925), (25, 10231155), (33, 7750875), (45, 5683975), (55, 4650525), (75, 3410385), (99, 2583625), (121, 2113875), (125, 2046231), (165, 1550175), (225, 1136795), (275, 930105), (363, 704625), (375, 682077), (495, 516725), (605, 422775), (825, 310035), (1089, 234875), (1125, 227359), (1375, 186021), (1815, 140925), (1879, 136125), (2475, 103345), (3025, 84555), (4125, 62007), (5445, 46975), (5637, 45375), (9075, 28185), (9395, 27225), (12375, 20669), (15125, 16911)]