219551871

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15581}}^1$

素因数の和:15663

約数の個数: 32

約数和(自身を含む): 370976256

約数和(自身を除く): 151424385

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 2013, 4697, 14091, 15581, 46743, 109067, 171391, 327201, 514173, 950441, 1199737, 2851323, 3599211, 6653087, 10454851, 19959261, 31364553, 73183957, 219551871]

約数ペア:

[(1, 219551871), (3, 73183957), (7, 31364553), (11, 19959261), (21, 10454851), (33, 6653087), (61, 3599211), (77, 2851323), (183, 1199737), (231, 950441), (427, 514173), (671, 327201), (1281, 171391), (2013, 109067), (4697, 46743), (14091, 15581)]