40640481

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 69523200

約数和(自身を除く): 28882719

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2129, 2727, 6363, 6387, 14903, 19089, 19161, 44709, 57483, 134127, 215029, 402381, 645087, 1505203, 1935261, 4515609, 5805783, 13546827, 40640481]

約数ペア:

[(1, 40640481), (3, 13546827), (7, 5805783), (9, 4515609), (21, 1935261), (27, 1505203), (63, 645087), (101, 402381), (189, 215029), (303, 134127), (707, 57483), (909, 44709), (2121, 19161), (2129, 19089), (2727, 14903), (6363, 6387)]