221434675

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{16433}}^1$

素因数の和:16468

約数の個数: 36

約数和(自身を含む): 348466536

約数和(自身を除く): 127031861

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1925, 2695, 13475, 16433, 82165, 115031, 180763, 410825, 575155, 805217, 903815, 1265341, 2875775, 4026085, 4519075, 6326705, 8857387, 20130425, 31633525, 44286935, 221434675]

約数ペア:

[(1, 221434675), (5, 44286935), (7, 31633525), (11, 20130425), (25, 8857387), (35, 6326705), (49, 4519075), (55, 4026085), (77, 2875775), (175, 1265341), (245, 903815), (275, 805217), (385, 575155), (539, 410825), (1225, 180763), (1925, 115031), (2695, 82165), (13475, 16433)]