278523765

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52901}}^1$

素因数の和:52931

約数の個数: 40

約数和(自身を含む): 537695928

約数和(自身を除く): 259172163

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 52901, 158703, 264505, 476109, 687713, 793515, 1428327, 2063139, 2380545, 3438565, 4284981, 6189417, 7141635, 10315695, 18568251, 21424905, 30947085, 55704753, 92841255, 278523765]

約数ペア:

[(1, 278523765), (3, 92841255), (5, 55704753), (9, 30947085), (13, 21424905), (15, 18568251), (27, 10315695), (39, 7141635), (45, 6189417), (65, 4284981), (81, 3438565), (117, 2380545), (135, 2063139), (195, 1428327), (351, 793515), (405, 687713), (585, 476109), (1053, 264505), (1755, 158703), (5265, 52901)]