40257987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 68043264

約数和(自身を除く): 27785277

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 2013, 2857, 4697, 8571, 14091, 19999, 31427, 59997, 94281, 174277, 219989, 522831, 659967, 1219939, 1917047, 3659817, 5751141, 13419329, 40257987]

約数ペア:

[(1, 40257987), (3, 13419329), (7, 5751141), (11, 3659817), (21, 1917047), (33, 1219939), (61, 659967), (77, 522831), (183, 219989), (231, 174277), (427, 94281), (671, 59997), (1281, 31427), (2013, 19999), (2857, 14091), (4697, 8571)]