16925625

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 33739200

約数和(自身を除く): 16813575

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 59, 75, 85, 125, 135, 153, 177, 225, 255, 295, 375, 425, 459, 531, 625, 675, 765, 885, 1003, 1125, 1275, 1475, 1593, 1875, 2125, 2295, 2655, 3009, 3375, 3825, 4425, 5015, 5625, 6375, 7375, 7965, 9027, 10625, 11475, 13275, 15045, 16875, 19125, 22125, 25075, 27081, 31875, 36875, 39825, 45135, 57375, 66375, 75225, 95625, 110625, 125375, 135405, 199125, 225675, 286875, 331875, 376125, 626875, 677025, 995625, 1128375, 1880625, 3385125, 5641875, 16925625]

約数ペア:

[(1, 16925625), (3, 5641875), (5, 3385125), (9, 1880625), (15, 1128375), (17, 995625), (25, 677025), (27, 626875), (45, 376125), (51, 331875), (59, 286875), (75, 225675), (85, 199125), (125, 135405), (135, 125375), (153, 110625), (177, 95625), (225, 75225), (255, 66375), (295, 57375), (375, 45135), (425, 39825), (459, 36875), (531, 31875), (625, 27081), (675, 25075), (765, 22125), (885, 19125), (1003, 16875), (1125, 15045), (1275, 13275), (1475, 11475), (1593, 10625), (1875, 9027), (2125, 7965), (2295, 7375), (2655, 6375), (3009, 5625), (3375, 5015), (3825, 4425)]