1805858187

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 2781402624

約数和(自身を除く): 975544437

約数列:

[1, 3, 7, 21, 131, 393, 401, 917, 1203, 1637, 2751, 2807, 4911, 8421, 11459, 34377, 52531, 157593, 214447, 367717, 643341, 656437, 1103151, 1501129, 1969311, 4503387, 4595059, 13785177, 85993247, 257979741, 601952729, 1805858187]

約数ペア:

[(1, 1805858187), (3, 601952729), (7, 257979741), (21, 85993247), (131, 13785177), (393, 4595059), (401, 4503387), (917, 1969311), (1203, 1501129), (1637, 1103151), (2751, 656437), (2807, 643341), (4911, 367717), (8421, 214447), (11459, 157593), (34377, 52531)]