248878215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 458872128

約数和(自身を除く): 209993913

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 263, 765, 789, 1237, 1315, 2367, 3711, 3945, 4471, 6185, 11133, 11835, 13413, 18555, 21029, 22355, 40239, 55665, 63087, 67065, 105145, 189261, 201195, 315435, 325331, 946305, 975993, 1626655, 2927979, 4879965, 5530627, 14639895, 16591881, 27653135, 49775643, 82959405, 248878215]

約数ペア:

[(1, 248878215), (3, 82959405), (5, 49775643), (9, 27653135), (15, 16591881), (17, 14639895), (45, 5530627), (51, 4879965), (85, 2927979), (153, 1626655), (255, 975993), (263, 946305), (765, 325331), (789, 315435), (1237, 201195), (1315, 189261), (2367, 105145), (3711, 67065), (3945, 63087), (4471, 55665), (6185, 40239), (11133, 22355), (11835, 21029), (13413, 18555)]