221401851

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1303}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 340500480

約数和(自身を除く): 119098629

約数列:

[1, 3, 11, 19, 33, 57, 209, 271, 627, 813, 1303, 2981, 3909, 5149, 8943, 14333, 15447, 24757, 42999, 56639, 74271, 169917, 272327, 353113, 816981, 1059339, 3884243, 6709147, 11652729, 20127441, 73800617, 221401851]

約数ペア:

[(1, 221401851), (3, 73800617), (11, 20127441), (19, 11652729), (33, 6709147), (57, 3884243), (209, 1059339), (271, 816981), (627, 353113), (813, 272327), (1303, 169917), (2981, 74271), (3909, 56639), (5149, 42999), (8943, 24757), (14333, 15447)]