231388275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 407009664

約数和(自身を除く): 175621389

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 347, 425, 523, 1041, 1275, 1569, 1735, 2615, 5205, 5899, 7845, 8675, 8891, 13075, 17697, 26025, 26673, 29495, 39225, 44455, 88485, 133365, 147475, 181481, 222275, 442425, 544443, 666825, 907405, 2722215, 3085177, 4537025, 9255531, 13611075, 15425885, 46277655, 77129425, 231388275]

約数ペア:

[(1, 231388275), (3, 77129425), (5, 46277655), (15, 15425885), (17, 13611075), (25, 9255531), (51, 4537025), (75, 3085177), (85, 2722215), (255, 907405), (347, 666825), (425, 544443), (523, 442425), (1041, 222275), (1275, 181481), (1569, 147475), (1735, 133365), (2615, 88485), (5205, 44455), (5899, 39225), (7845, 29495), (8675, 26673), (8891, 26025), (13075, 17697)]