156986808645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{376183}}^1$

素因数の和:376881

約数の個数: 32

約数和(自身を含む): 257418196992

約数和(自身を除く): 100431388347

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 647, 1941, 3235, 9705, 27821, 83463, 139105, 376183, 417315, 1128549, 1880915, 5642745, 16175869, 48527607, 80879345, 242638035, 243390401, 730171203, 1216952005, 3650856015, 10465787243, 31397361729, 52328936215, 156986808645]

約数ペア:

[(1, 156986808645), (3, 52328936215), (5, 31397361729), (15, 10465787243), (43, 3650856015), (129, 1216952005), (215, 730171203), (645, 243390401), (647, 242638035), (1941, 80879345), (3235, 48527607), (9705, 16175869), (27821, 5642745), (83463, 1880915), (139105, 1128549), (376183, 417315)]