28492425

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 31503735

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 135, 153, 191, 195, 221, 225, 255, 325, 351, 425, 459, 573, 585, 663, 675, 765, 955, 975, 1105, 1275, 1719, 1755, 1989, 2295, 2483, 2865, 2925, 3247, 3315, 3825, 4775, 5157, 5525, 5967, 7449, 8595, 8775, 9741, 9945, 11475, 12415, 14325, 16235, 16575, 22347, 25785, 29223, 29835, 37245, 42211, 42975, 48705, 49725, 62075, 67041, 81175, 87669, 111735, 126633, 128925, 146115, 149175, 186225, 211055, 243525, 335205, 379899, 438345, 558675, 633165, 730575, 1055275, 1139697, 1676025, 1899495, 2191725, 3165825, 5698485, 9497475, 28492425]

約数ペア:

[(1, 28492425), (3, 9497475), (5, 5698485), (9, 3165825), (13, 2191725), (15, 1899495), (17, 1676025), (25, 1139697), (27, 1055275), (39, 730575), (45, 633165), (51, 558675), (65, 438345), (75, 379899), (85, 335205), (117, 243525), (135, 211055), (153, 186225), (191, 149175), (195, 146115), (221, 128925), (225, 126633), (255, 111735), (325, 87669), (351, 81175), (425, 67041), (459, 62075), (573, 49725), (585, 48705), (663, 42975), (675, 42211), (765, 37245), (955, 29835), (975, 29223), (1105, 25785), (1275, 22347), (1719, 16575), (1755, 16235), (1989, 14325), (2295, 12415), (2483, 11475), (2865, 9945), (2925, 9741), (3247, 8775), (3315, 8595), (3825, 7449), (4775, 5967), (5157, 5525)]