40021311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 61728768

約数和(自身を除く): 21707457

約数列:

[1, 3, 11, 23, 33, 67, 69, 201, 253, 737, 759, 787, 1541, 2211, 2361, 4623, 8657, 16951, 18101, 25971, 50853, 52729, 54303, 158187, 199111, 580019, 597333, 1212767, 1740057, 3638301, 13340437, 40021311]

約数ペア:

[(1, 40021311), (3, 13340437), (11, 3638301), (23, 1740057), (33, 1212767), (67, 597333), (69, 580019), (201, 199111), (253, 158187), (737, 54303), (759, 52729), (787, 50853), (1541, 25971), (2211, 18101), (2361, 16951), (4623, 8657)]