221566679667

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1597}}^1\times {\mathrm{90149}}^1$

素因数の和:91777

約数の個数: 40

約数和(自身を含む): 348624474000

約数和(自身を除く): 127057794333

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1597, 4791, 14373, 30343, 43119, 90149, 91029, 129357, 270447, 273087, 811341, 819261, 1712831, 2434023, 2457783, 5138493, 7302069, 15415479, 46246437, 138739311, 143967953, 431903859, 1295711577, 2735391107, 3887134731, 8206173321, 11661404193, 24618519963, 73855559889, 221566679667]

約数ペア:

[(1, 221566679667), (3, 73855559889), (9, 24618519963), (19, 11661404193), (27, 8206173321), (57, 3887134731), (81, 2735391107), (171, 1295711577), (513, 431903859), (1539, 143967953), (1597, 138739311), (4791, 46246437), (14373, 15415479), (30343, 7302069), (43119, 5138493), (90149, 2457783), (91029, 2434023), (129357, 1712831), (270447, 819261), (273087, 811341)]