64757457855

素因数分解:

$3^3\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{251539}}^1$

素因数の和:253460

約数の個数: 32

約数和(自身を含む): 115185196800

約数和(自身を除く): 50427738945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1907, 5721, 9535, 17163, 28605, 51489, 85815, 251539, 257445, 754617, 1257695, 2263851, 3773085, 6791553, 11319255, 33957765, 479684873, 1439054619, 2398424365, 4317163857, 7195273095, 12951491571, 21585819285, 64757457855]

約数ペア:

[(1, 64757457855), (3, 21585819285), (5, 12951491571), (9, 7195273095), (15, 4317163857), (27, 2398424365), (45, 1439054619), (135, 479684873), (1907, 33957765), (5721, 11319255), (9535, 6791553), (17163, 3773085), (28605, 2263851), (51489, 1257695), (85815, 754617), (251539, 257445)]