313614879

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 444604416

約数和(自身を除く): 130989537

約数列:

[1, 3, 31, 47, 93, 141, 157, 457, 471, 1371, 1457, 4371, 4867, 7379, 14167, 14601, 21479, 22137, 42501, 64437, 71749, 215247, 228749, 665849, 686247, 1997547, 2224219, 3372203, 6672657, 10116609, 104538293, 313614879]

約数ペア:

[(1, 313614879), (3, 104538293), (31, 10116609), (47, 6672657), (93, 3372203), (141, 2224219), (157, 1997547), (457, 686247), (471, 665849), (1371, 228749), (1457, 215247), (4371, 71749), (4867, 64437), (7379, 42501), (14167, 22137), (14601, 21479)]