156721125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37993}}^1$

素因数の和:38022

約数の個数: 32

約数和(自身を含む): 284499072

約数和(自身を除く): 127777947

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 37993, 113979, 189965, 417923, 569895, 949825, 1253769, 2089615, 2849475, 4749125, 6268845, 10448075, 14247375, 31344225, 52240375, 156721125]

約数ペア:

[(1, 156721125), (3, 52240375), (5, 31344225), (11, 14247375), (15, 10448075), (25, 6268845), (33, 4749125), (55, 2849475), (75, 2089615), (125, 1253769), (165, 949825), (275, 569895), (375, 417923), (825, 189965), (1375, 113979), (4125, 37993)]