19968375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{7607}}^1$

素因数の和:7632

約数の個数: 32

約数和(自身を含む): 37979136

約数和(自身を除く): 18010761

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 7607, 22821, 38035, 53249, 114105, 159747, 190175, 266245, 570525, 798735, 950875, 1331225, 2852625, 3993675, 6656125, 19968375]

約数ペア:

[(1, 19968375), (3, 6656125), (5, 3993675), (7, 2852625), (15, 1331225), (21, 950875), (25, 798735), (35, 570525), (75, 266245), (105, 190175), (125, 159747), (175, 114105), (375, 53249), (525, 38035), (875, 22821), (2625, 7607)]