81215631

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44453}}^1$

素因数の和:44495

約数の個数: 24

約数和(自身を含む): 138696480

約数和(自身を除く): 57480849

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44453, 133359, 311171, 400077, 933513, 1289137, 2800539, 3867411, 9023959, 11602233, 27071877, 81215631]

約数ペア:

[(1, 81215631), (3, 27071877), (7, 11602233), (9, 9023959), (21, 3867411), (29, 2800539), (63, 1289137), (87, 933513), (203, 400077), (261, 311171), (609, 133359), (1827, 44453)]