51186915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5147}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 101189088

約数和(自身を除く): 50002173

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 5147, 9945, 15441, 25735, 46323, 66911, 77205, 87499, 200733, 231615, 262497, 334555, 437495, 602199, 787491, 1003665, 1137487, 1312485, 3010995, 3412461, 3937455, 5687435, 10237383, 17062305, 51186915]

約数ペア:

[(1, 51186915), (3, 17062305), (5, 10237383), (9, 5687435), (13, 3937455), (15, 3412461), (17, 3010995), (39, 1312485), (45, 1137487), (51, 1003665), (65, 787491), (85, 602199), (117, 437495), (153, 334555), (195, 262497), (221, 231615), (255, 200733), (585, 87499), (663, 77205), (765, 66911), (1105, 46323), (1989, 25735), (3315, 15441), (5147, 9945)]