72702945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 144623232

約数和(自身を除く): 71920287

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 443, 521, 1329, 1563, 2215, 2605, 3101, 3647, 3987, 4689, 6645, 7815, 9303, 10941, 15505, 18235, 19935, 23445, 27909, 32823, 46515, 54705, 139545, 164115, 230803, 692409, 1154015, 1615621, 2077227, 3462045, 4846863, 8078105, 10386135, 14540589, 24234315, 72702945]

約数ペア:

[(1, 72702945), (3, 24234315), (5, 14540589), (7, 10386135), (9, 8078105), (15, 4846863), (21, 3462045), (35, 2077227), (45, 1615621), (63, 1154015), (105, 692409), (315, 230803), (443, 164115), (521, 139545), (1329, 54705), (1563, 46515), (2215, 32823), (2605, 27909), (3101, 23445), (3647, 19935), (3987, 18235), (4689, 15505), (6645, 10941), (7815, 9303)]