890993607

素因数分解:

$3^1\times 7^3\times {\mathrm{677}}^1\times {\mathrm{1279}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 1388544000

約数和(自身を除く): 497550393

約数列:

[1, 3, 7, 21, 49, 147, 343, 677, 1029, 1279, 2031, 3837, 4739, 8953, 14217, 26859, 33173, 62671, 99519, 188013, 232211, 438697, 696633, 865883, 1316091, 2597649, 6061181, 18183543, 42428267, 127284801, 296997869, 890993607]

約数ペア:

[(1, 890993607), (3, 296997869), (7, 127284801), (21, 42428267), (49, 18183543), (147, 6061181), (343, 2597649), (677, 1316091), (1029, 865883), (1279, 696633), (2031, 438697), (3837, 232211), (4739, 188013), (8953, 99519), (14217, 62671), (26859, 33173)]