66171645

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 51764355

約数列:

[1, 3, 5, 9, 15, 45, 71, 139, 149, 213, 355, 417, 447, 639, 695, 745, 1065, 1251, 1341, 2085, 2235, 3195, 6255, 6705, 9869, 10579, 20711, 29607, 31737, 49345, 52895, 62133, 88821, 95211, 103555, 148035, 158685, 186399, 310665, 444105, 476055, 931995, 1470481, 4411443, 7352405, 13234329, 22057215, 66171645]

約数ペア:

[(1, 66171645), (3, 22057215), (5, 13234329), (9, 7352405), (15, 4411443), (45, 1470481), (71, 931995), (139, 476055), (149, 444105), (213, 310665), (355, 186399), (417, 158685), (447, 148035), (639, 103555), (695, 95211), (745, 88821), (1065, 62133), (1251, 52895), (1341, 49345), (2085, 31737), (2235, 29607), (3195, 20711), (6255, 10579), (6705, 9869)]