168417821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 205564800

約数和(自身を除く): 37146979

約数列:

[1, 11, 13, 37, 139, 143, 229, 407, 481, 1529, 1807, 2519, 2977, 5143, 5291, 8473, 19877, 31831, 32747, 56573, 66859, 93203, 110149, 350141, 413803, 735449, 1177747, 1211639, 4551833, 12955217, 15310711, 168417821]

約数ペア:

[(1, 168417821), (11, 15310711), (13, 12955217), (37, 4551833), (139, 1211639), (143, 1177747), (229, 735449), (407, 413803), (481, 350141), (1529, 110149), (1807, 93203), (2519, 66859), (2977, 56573), (5143, 32747), (5291, 31831), (8473, 19877)]