40090209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 59136000

約数和(自身を除く): 19045791

約数列:

[1, 3, 19, 29, 57, 79, 87, 237, 307, 551, 921, 1501, 1653, 2291, 4503, 5833, 6873, 8903, 17499, 24253, 26709, 43529, 72759, 130587, 169157, 460807, 507471, 703337, 1382421, 2110011, 13363403, 40090209]

約数ペア:

[(1, 40090209), (3, 13363403), (19, 2110011), (29, 1382421), (57, 703337), (79, 507471), (87, 460807), (237, 169157), (307, 130587), (551, 72759), (921, 43529), (1501, 26709), (1653, 24253), (2291, 17499), (4503, 8903), (5833, 6873)]