64825425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 134634240

約数和(自身を除く): 69808815

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 237, 315, 395, 521, 525, 553, 711, 1185, 1563, 1575, 1659, 1975, 2605, 2765, 3555, 3647, 4689, 4977, 5925, 7815, 8295, 10941, 13025, 13825, 17775, 18235, 23445, 24885, 32823, 39075, 41159, 41475, 54705, 91175, 117225, 123477, 124425, 164115, 205795, 273525, 288113, 370431, 617385, 820575, 864339, 1028975, 1440565, 1852155, 2593017, 3086925, 4321695, 7202825, 9260775, 12965085, 21608475, 64825425]

約数ペア:

[(1, 64825425), (3, 21608475), (5, 12965085), (7, 9260775), (9, 7202825), (15, 4321695), (21, 3086925), (25, 2593017), (35, 1852155), (45, 1440565), (63, 1028975), (75, 864339), (79, 820575), (105, 617385), (175, 370431), (225, 288113), (237, 273525), (315, 205795), (395, 164115), (521, 124425), (525, 123477), (553, 117225), (711, 91175), (1185, 54705), (1563, 41475), (1575, 41159), (1659, 39075), (1975, 32823), (2605, 24885), (2765, 23445), (3555, 18235), (3647, 17775), (4689, 13825), (4977, 13025), (5925, 10941), (7815, 8295)]