51789225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 91601280

約数和(自身を除く): 39812055

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 151, 255, 269, 425, 453, 755, 807, 1275, 1345, 2265, 2567, 3775, 4035, 4573, 6725, 7701, 11325, 12835, 13719, 20175, 22865, 38505, 40619, 64175, 68595, 114325, 121857, 192525, 203095, 342975, 609285, 690523, 1015475, 2071569, 3046425, 3452615, 10357845, 17263075, 51789225]

約数ペア:

[(1, 51789225), (3, 17263075), (5, 10357845), (15, 3452615), (17, 3046425), (25, 2071569), (51, 1015475), (75, 690523), (85, 609285), (151, 342975), (255, 203095), (269, 192525), (425, 121857), (453, 114325), (755, 68595), (807, 64175), (1275, 40619), (1345, 38505), (2265, 22865), (2567, 20175), (3775, 13719), (4035, 12835), (4573, 11325), (6725, 7701)]