13157515

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 18942336

約数和(自身を除く): 5784821

約数列:

[1, 5, 7, 35, 41, 53, 173, 205, 265, 287, 371, 865, 1211, 1435, 1855, 2173, 6055, 7093, 9169, 10865, 15211, 35465, 45845, 49651, 64183, 76055, 248255, 320915, 375929, 1879645, 2631503, 13157515]

約数ペア:

[(1, 13157515), (5, 2631503), (7, 1879645), (35, 375929), (41, 320915), (53, 248255), (173, 76055), (205, 64183), (265, 49651), (287, 45845), (371, 35465), (865, 15211), (1211, 10865), (1435, 9169), (1855, 7093), (2173, 6055)]