71607825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 137913048

約数和(自身を除く): 66305223

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 97, 153, 193, 225, 255, 291, 425, 485, 579, 765, 873, 965, 1275, 1455, 1649, 1737, 2425, 2895, 3281, 3825, 4365, 4825, 4947, 7275, 8245, 8685, 9843, 14475, 14841, 16405, 18721, 21825, 24735, 29529, 41225, 43425, 49215, 56163, 74205, 82025, 93605, 123675, 147645, 168489, 246075, 280815, 318257, 371025, 468025, 738225, 842445, 954771, 1404075, 1591285, 2864313, 4212225, 4773855, 7956425, 14321565, 23869275, 71607825]

約数ペア:

[(1, 71607825), (3, 23869275), (5, 14321565), (9, 7956425), (15, 4773855), (17, 4212225), (25, 2864313), (45, 1591285), (51, 1404075), (75, 954771), (85, 842445), (97, 738225), (153, 468025), (193, 371025), (225, 318257), (255, 280815), (291, 246075), (425, 168489), (485, 147645), (579, 123675), (765, 93605), (873, 82025), (965, 74205), (1275, 56163), (1455, 49215), (1649, 43425), (1737, 41225), (2425, 29529), (2895, 24735), (3281, 21825), (3825, 18721), (4365, 16405), (4825, 14841), (4947, 14475), (7275, 9843), (8245, 8685)]