1213440075

素因数分解:

$3^3\times 5^2\times {\mathrm{1109}}^1\times {\mathrm{1621}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 2232520800

約数和(自身を除く): 1019080725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 1109, 1621, 3327, 4863, 5545, 8105, 9981, 14589, 16635, 24315, 27725, 29943, 40525, 43767, 49905, 72945, 83175, 121575, 149715, 218835, 249525, 364725, 748575, 1094175, 1797689, 5393067, 8988445, 16179201, 26965335, 44942225, 48537603, 80896005, 134826675, 242688015, 404480025, 1213440075]

約数ペア:

[(1, 1213440075), (3, 404480025), (5, 242688015), (9, 134826675), (15, 80896005), (25, 48537603), (27, 44942225), (45, 26965335), (75, 16179201), (135, 8988445), (225, 5393067), (675, 1797689), (1109, 1094175), (1621, 748575), (3327, 364725), (4863, 249525), (5545, 218835), (8105, 149715), (9981, 121575), (14589, 83175), (16635, 72945), (24315, 49905), (27725, 43767), (29943, 40525)]