31233990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2473}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 75170016

約数和(自身を除く): 43936026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 2105, 2473, 2526, 4210, 4946, 6315, 7419, 12365, 12630, 14838, 24730, 37095, 74190, 1041133, 2082266, 3123399, 5205665, 6246798, 10411330, 15616995, 31233990]

約数ペア:

[(1, 31233990), (2, 15616995), (3, 10411330), (5, 6246798), (6, 5205665), (10, 3123399), (15, 2082266), (30, 1041133), (421, 74190), (842, 37095), (1263, 24730), (2105, 14838), (2473, 12630), (2526, 12365), (4210, 7419), (4946, 6315)]