81101951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 103265280

約数和(自身を除く): 22163329

約数列:

[1, 7, 17, 29, 71, 119, 203, 331, 493, 497, 1207, 2059, 2317, 3451, 5627, 8449, 9599, 14413, 23501, 35003, 39389, 67193, 163183, 164507, 245021, 399517, 681529, 1142281, 2796619, 4770703, 11585993, 81101951]

約数ペア:

[(1, 81101951), (7, 11585993), (17, 4770703), (29, 2796619), (71, 1142281), (119, 681529), (203, 399517), (331, 245021), (493, 164507), (497, 163183), (1207, 67193), (2059, 39389), (2317, 35003), (3451, 23501), (5627, 14413), (8449, 9599)]