78485625

素因数分解:

$3^3\times 5^4\times {\mathrm{4651}}^1$

素因数の和:4680

約数の個数: 40

約数和(自身を含む): 145328480

約数和(自身を除く): 66842855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3375, 4651, 5625, 13953, 16875, 23255, 41859, 69765, 116275, 125577, 209295, 348825, 581375, 627885, 1046475, 1744125, 2906875, 3139425, 5232375, 8720625, 15697125, 26161875, 78485625]

約数ペア:

[(1, 78485625), (3, 26161875), (5, 15697125), (9, 8720625), (15, 5232375), (25, 3139425), (27, 2906875), (45, 1744125), (75, 1046475), (125, 627885), (135, 581375), (225, 348825), (375, 209295), (625, 125577), (675, 116275), (1125, 69765), (1875, 41859), (3375, 23255), (4651, 16875), (5625, 13953)]