28656135

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25122681

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 797, 799, 2115, 2391, 2397, 3985, 3995, 7173, 7191, 11955, 11985, 13549, 35865, 35955, 37459, 40647, 67745, 112377, 121941, 187295, 203235, 337131, 561885, 609705, 636803, 1685655, 1910409, 3184015, 5731227, 9552045, 28656135]

約数ペア:

[(1, 28656135), (3, 9552045), (5, 5731227), (9, 3184015), (15, 1910409), (17, 1685655), (45, 636803), (47, 609705), (51, 561885), (85, 337131), (141, 203235), (153, 187295), (235, 121941), (255, 112377), (423, 67745), (705, 40647), (765, 37459), (797, 35955), (799, 35865), (2115, 13549), (2391, 11985), (2397, 11955), (3985, 7191), (3995, 7173)]