199857375

素因数分解:

$3^4\times 5^3\times {\mathrm{19739}}^1$

素因数の和:19766

約数の個数: 40

約数和(自身を含む): 372612240

約数和(自身を除く): 172754865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 10125, 19739, 59217, 98695, 177651, 296085, 493475, 532953, 888255, 1480425, 1598859, 2467375, 2664765, 4441275, 7402125, 7994295, 13323825, 22206375, 39971475, 66619125, 199857375]

約数ペア:

[(1, 199857375), (3, 66619125), (5, 39971475), (9, 22206375), (15, 13323825), (25, 7994295), (27, 7402125), (45, 4441275), (75, 2664765), (81, 2467375), (125, 1598859), (135, 1480425), (225, 888255), (375, 532953), (405, 493475), (675, 296085), (1125, 177651), (2025, 98695), (3375, 59217), (10125, 19739)]