2145825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:64

約数の個数: 72

約数和(自身を含む): 4568160

約数和(自身を除く): 2422335

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 153, 165, 187, 225, 255, 275, 289, 297, 425, 459, 495, 561, 675, 765, 825, 867, 935, 1275, 1445, 1485, 1683, 2295, 2475, 2601, 2805, 3179, 3825, 4335, 4675, 5049, 7225, 7425, 7803, 8415, 9537, 11475, 13005, 14025, 15895, 21675, 25245, 28611, 39015, 42075, 47685, 65025, 79475, 85833, 126225, 143055, 195075, 238425, 429165, 715275, 2145825]

約数ペア:

[(1, 2145825), (3, 715275), (5, 429165), (9, 238425), (11, 195075), (15, 143055), (17, 126225), (25, 85833), (27, 79475), (33, 65025), (45, 47685), (51, 42075), (55, 39015), (75, 28611), (85, 25245), (99, 21675), (135, 15895), (153, 14025), (165, 13005), (187, 11475), (225, 9537), (255, 8415), (275, 7803), (289, 7425), (297, 7225), (425, 5049), (459, 4675), (495, 4335), (561, 3825), (675, 3179), (765, 2805), (825, 2601), (867, 2475), (935, 2295), (1275, 1683), (1445, 1485)]