77742567

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1212

約数の個数: 36

約数和(自身を含む): 131512680

約数和(自身を除く): 53770113

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1019, 1211, 1557, 3057, 3633, 7133, 8477, 9171, 10899, 21399, 25431, 49931, 64197, 76293, 149793, 176287, 449379, 528861, 1234009, 1586583, 3702027, 8638063, 11106081, 25914189, 77742567]

約数ペア:

[(1, 77742567), (3, 25914189), (7, 11106081), (9, 8638063), (21, 3702027), (49, 1586583), (63, 1234009), (147, 528861), (173, 449379), (441, 176287), (519, 149793), (1019, 76293), (1211, 64197), (1557, 49931), (3057, 25431), (3633, 21399), (7133, 10899), (8477, 9171)]