84189375

素因数分解:

$3^4\times 5^4\times {\mathrm{1663}}^1$

素因数の和:1695

約数の個数: 50

約数和(自身を含む): 157249664

約数和(自身を除く): 73060289

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 1125, 1663, 1875, 2025, 3375, 4989, 5625, 8315, 10125, 14967, 16875, 24945, 41575, 44901, 50625, 74835, 124725, 134703, 207875, 224505, 374175, 623625, 673515, 1039375, 1122525, 1870875, 3118125, 3367575, 5612625, 9354375, 16837875, 28063125, 84189375]

約数ペア:

[(1, 84189375), (3, 28063125), (5, 16837875), (9, 9354375), (15, 5612625), (25, 3367575), (27, 3118125), (45, 1870875), (75, 1122525), (81, 1039375), (125, 673515), (135, 623625), (225, 374175), (375, 224505), (405, 207875), (625, 134703), (675, 124725), (1125, 74835), (1663, 50625), (1875, 44901), (2025, 41575), (3375, 24945), (4989, 16875), (5625, 14967), (8315, 10125)]