40490691

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 59389440

約数和(自身を除く): 18898749

約数列:

[1, 3, 19, 37, 57, 73, 111, 219, 263, 703, 789, 1387, 2109, 2701, 4161, 4997, 8103, 9731, 14991, 19199, 29193, 51319, 57597, 153957, 184889, 364781, 554667, 710363, 1094343, 2131089, 13496897, 40490691]

約数ペア:

[(1, 40490691), (3, 13496897), (19, 2131089), (37, 1094343), (57, 710363), (73, 554667), (111, 364781), (219, 184889), (263, 153957), (703, 57597), (789, 51319), (1387, 29193), (2109, 19199), (2701, 14991), (4161, 9731), (4997, 8103)]