42563521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 57851136

約数和(自身を除く): 15287615

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 421, 707, 1001, 1111, 1313, 2947, 4631, 5473, 7777, 9191, 14443, 32417, 38311, 42521, 60203, 101101, 297647, 421421, 467731, 552773, 3274117, 3869411, 6080503, 42563521]

約数ペア:

[(1, 42563521), (7, 6080503), (11, 3869411), (13, 3274117), (77, 552773), (91, 467731), (101, 421421), (143, 297647), (421, 101101), (707, 60203), (1001, 42521), (1111, 38311), (1313, 32417), (2947, 14443), (4631, 9191), (5473, 7777)]