7204725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 14624064

約数和(自身を除く): 7419339

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 71, 75, 99, 123, 165, 205, 213, 225, 275, 355, 369, 451, 495, 615, 639, 781, 825, 1025, 1065, 1353, 1775, 1845, 2255, 2343, 2475, 2911, 3075, 3195, 3905, 4059, 5325, 6765, 7029, 8733, 9225, 11275, 11715, 14555, 15975, 19525, 20295, 26199, 32021, 33825, 35145, 43665, 58575, 72775, 96063, 101475, 130995, 160105, 175725, 218325, 288189, 480315, 654975, 800525, 1440945, 2401575, 7204725]

約数ペア:

[(1, 7204725), (3, 2401575), (5, 1440945), (9, 800525), (11, 654975), (15, 480315), (25, 288189), (33, 218325), (41, 175725), (45, 160105), (55, 130995), (71, 101475), (75, 96063), (99, 72775), (123, 58575), (165, 43665), (205, 35145), (213, 33825), (225, 32021), (275, 26199), (355, 20295), (369, 19525), (451, 15975), (495, 14555), (615, 11715), (639, 11275), (781, 9225), (825, 8733), (1025, 7029), (1065, 6765), (1353, 5325), (1775, 4059), (1845, 3905), (2255, 3195), (2343, 3075), (2475, 2911)]