1215704553

素因数分解:

$3^1\times 7^2\times {\mathrm{1663}}^1\times {\mathrm{4973}}^1$

素因数の和:6653

約数の個数: 24

約数和(自身を含む): 1887095808

約数和(自身を除く): 671391255

約数列:

[1, 3, 7, 21, 49, 147, 1663, 4973, 4989, 11641, 14919, 34811, 34923, 81487, 104433, 243677, 244461, 731031, 8270099, 24810297, 57890693, 173672079, 405234851, 1215704553]

約数ペア:

[(1, 1215704553), (3, 405234851), (7, 173672079), (21, 57890693), (49, 24810297), (147, 8270099), (1663, 731031), (4973, 244461), (4989, 243677), (11641, 104433), (14919, 81487), (34811, 34923)]