15572739

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 27004320

約数和(自身を除く): 11431581

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 281, 377, 609, 637, 843, 1131, 1421, 1911, 1967, 2639, 3653, 4263, 5901, 7917, 8149, 10959, 13769, 18473, 24447, 25571, 41307, 55419, 57043, 76713, 105937, 171129, 178997, 317811, 399301, 536991, 741559, 1197903, 2224677, 5190913, 15572739]

約数ペア:

[(1, 15572739), (3, 5190913), (7, 2224677), (13, 1197903), (21, 741559), (29, 536991), (39, 399301), (49, 317811), (87, 178997), (91, 171129), (147, 105937), (203, 76713), (273, 57043), (281, 55419), (377, 41307), (609, 25571), (637, 24447), (843, 18473), (1131, 13769), (1421, 10959), (1911, 8149), (1967, 7917), (2639, 5901), (3653, 4263)]