1287390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3301}}^1$

素因数の和:3324

約数の個数: 32

約数和(自身を含む): 3328416

約数和(自身を除く): 2041026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3301, 6602, 9903, 16505, 19806, 33010, 42913, 49515, 85826, 99030, 128739, 214565, 257478, 429130, 643695, 1287390]

約数ペア:

[(1, 1287390), (2, 643695), (3, 429130), (5, 257478), (6, 214565), (10, 128739), (13, 99030), (15, 85826), (26, 49515), (30, 42913), (39, 33010), (65, 19806), (78, 16505), (130, 9903), (195, 6602), (390, 3301)]