27898725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 48568320

約数和(自身を除く): 20669595

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 101, 127, 145, 303, 381, 435, 505, 635, 725, 1515, 1905, 2175, 2525, 2929, 3175, 3683, 7575, 8787, 9525, 11049, 12827, 14645, 18415, 38481, 43935, 55245, 64135, 73225, 92075, 192405, 219675, 276225, 320675, 371983, 962025, 1115949, 1859915, 5579745, 9299575, 27898725]

約数ペア:

[(1, 27898725), (3, 9299575), (5, 5579745), (15, 1859915), (25, 1115949), (29, 962025), (75, 371983), (87, 320675), (101, 276225), (127, 219675), (145, 192405), (303, 92075), (381, 73225), (435, 64135), (505, 55245), (635, 43935), (725, 38481), (1515, 18415), (1905, 14645), (2175, 12827), (2525, 11049), (2929, 9525), (3175, 8787), (3683, 7575)]