42705819

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 72550240

約数和(自身を除く): 29844421

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 289, 351, 421, 459, 663, 867, 1263, 1989, 2601, 3757, 3789, 5473, 5967, 7157, 7803, 11271, 11367, 16419, 21471, 33813, 49257, 64413, 93041, 101439, 121669, 147771, 193239, 279123, 365007, 837369, 1095021, 1581697, 2512107, 3285063, 4745091, 14235273, 42705819]

約数ペア:

[(1, 42705819), (3, 14235273), (9, 4745091), (13, 3285063), (17, 2512107), (27, 1581697), (39, 1095021), (51, 837369), (117, 365007), (153, 279123), (221, 193239), (289, 147771), (351, 121669), (421, 101439), (459, 93041), (663, 64413), (867, 49257), (1263, 33813), (1989, 21471), (2601, 16419), (3757, 11367), (3789, 11271), (5473, 7803), (5967, 7157)]