31587525

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 60353280

約数和(自身を除く): 28765755

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 47, 75, 87, 103, 141, 145, 225, 235, 261, 309, 423, 435, 515, 705, 725, 927, 1175, 1305, 1363, 1545, 2115, 2175, 2575, 2987, 3525, 4089, 4635, 4841, 6525, 6815, 7725, 8961, 10575, 12267, 14523, 14935, 20445, 23175, 24205, 26883, 34075, 43569, 44805, 61335, 72615, 74675, 102225, 121025, 134415, 140389, 217845, 224025, 306675, 363075, 421167, 672075, 701945, 1089225, 1263501, 2105835, 3509725, 6317505, 10529175, 31587525]

約数ペア:

[(1, 31587525), (3, 10529175), (5, 6317505), (9, 3509725), (15, 2105835), (25, 1263501), (29, 1089225), (45, 701945), (47, 672075), (75, 421167), (87, 363075), (103, 306675), (141, 224025), (145, 217845), (225, 140389), (235, 134415), (261, 121025), (309, 102225), (423, 74675), (435, 72615), (515, 61335), (705, 44805), (725, 43569), (927, 34075), (1175, 26883), (1305, 24205), (1363, 23175), (1545, 20445), (2115, 14935), (2175, 14523), (2575, 12267), (2987, 10575), (3525, 8961), (4089, 7725), (4635, 6815), (4841, 6525)]