201820725

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 372913632

約数和(自身を除く): 171092907

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 101, 107, 225, 249, 303, 321, 415, 505, 535, 747, 909, 963, 1245, 1515, 1605, 2075, 2525, 2675, 3735, 4545, 4815, 6225, 7575, 8025, 8383, 8881, 10807, 18675, 22725, 24075, 25149, 26643, 32421, 41915, 44405, 54035, 75447, 79929, 97263, 125745, 133215, 162105, 209575, 222025, 270175, 377235, 399645, 486315, 628725, 666075, 810525, 896981, 1886175, 1998225, 2431575, 2690943, 4484905, 8072829, 13454715, 22424525, 40364145, 67273575, 201820725]

約数ペア:

[(1, 201820725), (3, 67273575), (5, 40364145), (9, 22424525), (15, 13454715), (25, 8072829), (45, 4484905), (75, 2690943), (83, 2431575), (101, 1998225), (107, 1886175), (225, 896981), (249, 810525), (303, 666075), (321, 628725), (415, 486315), (505, 399645), (535, 377235), (747, 270175), (909, 222025), (963, 209575), (1245, 162105), (1515, 133215), (1605, 125745), (2075, 97263), (2525, 79929), (2675, 75447), (3735, 54035), (4545, 44405), (4815, 41915), (6225, 32421), (7575, 26643), (8025, 25149), (8383, 24075), (8881, 22725), (10807, 18675)]