67954545

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8831}}^1$

素因数の和:8867

約数の個数: 40

約数和(自身を含む): 128240640

約数和(自身を除く): 60286095

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 8831, 26493, 44155, 79479, 132465, 167789, 238437, 397395, 503367, 715311, 838945, 1192185, 1510101, 2516835, 3576555, 4530303, 7550505, 13590909, 22651515, 67954545]

約数ペア:

[(1, 67954545), (3, 22651515), (5, 13590909), (9, 7550505), (15, 4530303), (19, 3576555), (27, 2516835), (45, 1510101), (57, 1192185), (81, 838945), (95, 715311), (135, 503367), (171, 397395), (285, 238437), (405, 167789), (513, 132465), (855, 79479), (1539, 44155), (2565, 26493), (7695, 8831)]