8481427983

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3061}}^1$

素因数の和:3245

約数の個数: 72

約数和(自身を含む): 14630138016

約数和(自身を除く): 6148710033

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 103, 147, 183, 309, 427, 441, 549, 721, 927, 1281, 2163, 2989, 3061, 3843, 5047, 6283, 6489, 8967, 9183, 15141, 18849, 21427, 26901, 27549, 43981, 45423, 56547, 64281, 131943, 149989, 186721, 192843, 307867, 315283, 395829, 449967, 560163, 923601, 945849, 1307047, 1349901, 1680489, 2206981, 2770803, 2837547, 3921141, 6620943, 9149329, 11763423, 15448867, 19232263, 19862829, 27447987, 46346601, 57696789, 82343961, 134625841, 139039803, 173090367, 403877523, 942380887, 1211632569, 2827142661, 8481427983]

約数ペア:

[(1, 8481427983), (3, 2827142661), (7, 1211632569), (9, 942380887), (21, 403877523), (49, 173090367), (61, 139039803), (63, 134625841), (103, 82343961), (147, 57696789), (183, 46346601), (309, 27447987), (427, 19862829), (441, 19232263), (549, 15448867), (721, 11763423), (927, 9149329), (1281, 6620943), (2163, 3921141), (2989, 2837547), (3061, 2770803), (3843, 2206981), (5047, 1680489), (6283, 1349901), (6489, 1307047), (8967, 945849), (9183, 923601), (15141, 560163), (18849, 449967), (21427, 395829), (26901, 315283), (27549, 307867), (43981, 192843), (45423, 186721), (56547, 149989), (64281, 131943)]