211143375

素因数分解:

$3^3\times 5^3\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 396190080

約数和(自身を除く): 185046705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 125, 135, 219, 225, 365, 375, 657, 675, 857, 1095, 1125, 1825, 1971, 2571, 3285, 3375, 4285, 5475, 7713, 9125, 9855, 12855, 16425, 21425, 23139, 27375, 38565, 49275, 62561, 64275, 82125, 107125, 115695, 187683, 192825, 246375, 312805, 321375, 563049, 578475, 938415, 964125, 1564025, 1689147, 2815245, 2892375, 4692075, 7820125, 8445735, 14076225, 23460375, 42228675, 70381125, 211143375]

約数ペア:

[(1, 211143375), (3, 70381125), (5, 42228675), (9, 23460375), (15, 14076225), (25, 8445735), (27, 7820125), (45, 4692075), (73, 2892375), (75, 2815245), (125, 1689147), (135, 1564025), (219, 964125), (225, 938415), (365, 578475), (375, 563049), (657, 321375), (675, 312805), (857, 246375), (1095, 192825), (1125, 187683), (1825, 115695), (1971, 107125), (2571, 82125), (3285, 64275), (3375, 62561), (4285, 49275), (5475, 38565), (7713, 27375), (9125, 23139), (9855, 21425), (12855, 16425)]