31616805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 55831680

約数和(自身を除く): 24214875

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 2153, 2937, 4895, 6459, 10765, 14685, 23683, 32295, 71049, 118415, 191617, 355245, 574851, 958085, 2107787, 2874255, 6323361, 10538935, 31616805]

約数ペア:

[(1, 31616805), (3, 10538935), (5, 6323361), (11, 2874255), (15, 2107787), (33, 958085), (55, 574851), (89, 355245), (165, 191617), (267, 118415), (445, 71049), (979, 32295), (1335, 23683), (2153, 14685), (2937, 10765), (4895, 6459)]