85312575

素因数分解:

$3^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 157728000

約数和(自身を除く): 72415425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 211, 225, 599, 633, 675, 1055, 1797, 1899, 2995, 3165, 5275, 5391, 5697, 8985, 9495, 14975, 15825, 16173, 26955, 28485, 44925, 47475, 80865, 126389, 134775, 142425, 379167, 404325, 631945, 1137501, 1895835, 3159725, 3412503, 5687505, 9479175, 17062515, 28437525, 85312575]

約数ペア:

[(1, 85312575), (3, 28437525), (5, 17062515), (9, 9479175), (15, 5687505), (25, 3412503), (27, 3159725), (45, 1895835), (75, 1137501), (135, 631945), (211, 404325), (225, 379167), (599, 142425), (633, 134775), (675, 126389), (1055, 80865), (1797, 47475), (1899, 44925), (2995, 28485), (3165, 26955), (5275, 16173), (5391, 15825), (5697, 14975), (8985, 9495)]