78144915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2729}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 132088320

約数和(自身を除く): 53943405

約数列:

[1, 3, 5, 15, 23, 69, 83, 115, 249, 345, 415, 1245, 1909, 2729, 5727, 8187, 9545, 13645, 28635, 40935, 62767, 188301, 226507, 313835, 679521, 941505, 1132535, 3397605, 5209661, 15628983, 26048305, 78144915]

約数ペア:

[(1, 78144915), (3, 26048305), (5, 15628983), (15, 5209661), (23, 3397605), (69, 1132535), (83, 941505), (115, 679521), (249, 313835), (345, 226507), (415, 188301), (1245, 62767), (1909, 40935), (2729, 28635), (5727, 13645), (8187, 9545)]