80806905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 152568000

約数和(自身を除く): 71761095

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 3259, 4959, 8265, 9777, 16295, 24795, 29331, 48885, 61921, 94511, 146655, 185763, 283533, 309605, 472555, 557289, 850599, 928815, 1417665, 1795709, 2786445, 4252995, 5387127, 8978545, 16161381, 26935635, 80806905]

約数ペア:

[(1, 80806905), (3, 26935635), (5, 16161381), (9, 8978545), (15, 5387127), (19, 4252995), (29, 2786445), (45, 1795709), (57, 1417665), (87, 928815), (95, 850599), (145, 557289), (171, 472555), (261, 309605), (285, 283533), (435, 185763), (551, 146655), (855, 94511), (1305, 61921), (1653, 48885), (2755, 29331), (3259, 24795), (4959, 16295), (8265, 9777)]