211320725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 329312256

約数和(自身を除く): 117991531

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 151, 175, 275, 385, 727, 755, 1057, 1661, 1925, 3635, 3775, 5089, 5285, 7997, 8305, 11627, 18175, 25445, 26425, 39985, 41525, 55979, 58135, 109777, 127225, 199925, 279895, 290675, 548885, 768439, 1207547, 1399475, 2744425, 3842195, 6037735, 8452829, 19210975, 30188675, 42264145, 211320725]

約数ペア:

[(1, 211320725), (5, 42264145), (7, 30188675), (11, 19210975), (25, 8452829), (35, 6037735), (55, 3842195), (77, 2744425), (151, 1399475), (175, 1207547), (275, 768439), (385, 548885), (727, 290675), (755, 279895), (1057, 199925), (1661, 127225), (1925, 109777), (3635, 58135), (3775, 55979), (5089, 41525), (5285, 39985), (7997, 26425), (8305, 25445), (11627, 18175)]