80474715

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4681

約数の個数: 40

約数和(自身を含む): 147645168

約数和(自身を除く): 67170453

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 4621, 5805, 13863, 17415, 23105, 41589, 69315, 124767, 198703, 207945, 374301, 596109, 623835, 993515, 1788327, 1871505, 2980545, 5364981, 8941635, 16094943, 26824905, 80474715]

約数ペア:

[(1, 80474715), (3, 26824905), (5, 16094943), (9, 8941635), (15, 5364981), (27, 2980545), (43, 1871505), (45, 1788327), (81, 993515), (129, 623835), (135, 596109), (215, 374301), (387, 207945), (405, 198703), (645, 124767), (1161, 69315), (1935, 41589), (3483, 23105), (4621, 17415), (5805, 13863)]