31880079

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 26077041

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 179, 231, 257, 537, 693, 771, 1253, 1611, 1799, 1969, 2313, 2827, 3759, 5397, 5907, 8481, 11277, 13783, 16191, 17721, 19789, 25443, 41349, 46003, 59367, 124047, 138009, 178101, 322021, 414027, 506033, 966063, 1518099, 2898189, 3542231, 4554297, 10626693, 31880079]

約数ペア:

[(1, 31880079), (3, 10626693), (7, 4554297), (9, 3542231), (11, 2898189), (21, 1518099), (33, 966063), (63, 506033), (77, 414027), (99, 322021), (179, 178101), (231, 138009), (257, 124047), (537, 59367), (693, 46003), (771, 41349), (1253, 25443), (1611, 19789), (1799, 17721), (1969, 16191), (2313, 13783), (2827, 11277), (3759, 8481), (5397, 5907)]