1388475

素因数分解:

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

素因数の和:58

約数の個数: 72

約数和(自身を含む): 2968560

約数和(自身を除く): 1580085

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 121, 135, 153, 165, 187, 225, 255, 275, 297, 363, 425, 459, 495, 561, 605, 675, 765, 825, 935, 1089, 1275, 1485, 1683, 1815, 2057, 2295, 2475, 2805, 3025, 3267, 3825, 4675, 5049, 5445, 6171, 7425, 8415, 9075, 10285, 11475, 14025, 16335, 18513, 25245, 27225, 30855, 42075, 51425, 55539, 81675, 92565, 126225, 154275, 277695, 462825, 1388475]

約数ペア:

[(1, 1388475), (3, 462825), (5, 277695), (9, 154275), (11, 126225), (15, 92565), (17, 81675), (25, 55539), (27, 51425), (33, 42075), (45, 30855), (51, 27225), (55, 25245), (75, 18513), (85, 16335), (99, 14025), (121, 11475), (135, 10285), (153, 9075), (165, 8415), (187, 7425), (225, 6171), (255, 5445), (275, 5049), (297, 4675), (363, 3825), (425, 3267), (459, 3025), (495, 2805), (561, 2475), (605, 2295), (675, 2057), (765, 1815), (825, 1683), (935, 1485), (1089, 1275)]