163991877

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 271848960

約数和(自身を除く): 107857083

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 137, 147, 357, 411, 479, 833, 959, 1437, 2329, 2499, 2877, 3353, 6713, 6987, 8143, 10059, 16303, 20139, 23471, 24429, 48909, 57001, 65623, 70413, 114121, 171003, 196869, 342363, 399007, 459361, 1115591, 1197021, 1378083, 3215527, 3346773, 7809137, 9646581, 23427411, 54663959, 163991877]

約数ペア:

[(1, 163991877), (3, 54663959), (7, 23427411), (17, 9646581), (21, 7809137), (49, 3346773), (51, 3215527), (119, 1378083), (137, 1197021), (147, 1115591), (357, 459361), (411, 399007), (479, 342363), (833, 196869), (959, 171003), (1437, 114121), (2329, 70413), (2499, 65623), (2877, 57001), (3353, 48909), (6713, 24429), (6987, 23471), (8143, 20139), (10059, 16303)]