15665817645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{386381}}^1$

素因数の和:386462

約数の個数: 48

約数和(自身を含む): 29293937712

約数和(自身を除く): 13628120067

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 4505, 8109, 13515, 40545, 386381, 1159143, 1931905, 3477429, 5795715, 6568477, 17387145, 19705431, 20478193, 32842385, 59116293, 61434579, 98527155, 102390965, 184303737, 295581465, 307172895, 348129281, 921518685, 1044387843, 1740646405, 3133163529, 5221939215, 15665817645]

約数ペア:

[(1, 15665817645), (3, 5221939215), (5, 3133163529), (9, 1740646405), (15, 1044387843), (17, 921518685), (45, 348129281), (51, 307172895), (53, 295581465), (85, 184303737), (153, 102390965), (159, 98527155), (255, 61434579), (265, 59116293), (477, 32842385), (765, 20478193), (795, 19705431), (901, 17387145), (2385, 6568477), (2703, 5795715), (4505, 3477429), (8109, 1931905), (13515, 1159143), (40545, 386381)]