61051959

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 99390720

約数和(自身を除く): 38338761

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 361, 387, 437, 817, 989, 1083, 1311, 2451, 2967, 3249, 3933, 6859, 7353, 8303, 8901, 15523, 18791, 20577, 24909, 46569, 56373, 61731, 74727, 139707, 157757, 169119, 294937, 357029, 473271, 884811, 1071087, 1419813, 2654433, 3213261, 6783551, 20350653, 61051959]

約数ペア:

[(1, 61051959), (3, 20350653), (9, 6783551), (19, 3213261), (23, 2654433), (43, 1419813), (57, 1071087), (69, 884811), (129, 473271), (171, 357029), (207, 294937), (361, 169119), (387, 157757), (437, 139707), (817, 74727), (989, 61731), (1083, 56373), (1311, 46569), (2451, 24909), (2967, 20577), (3249, 18791), (3933, 15523), (6859, 8901), (7353, 8303)]