28687581

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{6287}}^1$

素因数の和:6322

約数の個数: 24

約数和(自身を含む): 46028160

約数和(自身を除く): 17340579

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 6287, 18861, 56583, 81731, 169749, 245193, 735579, 1062503, 2206737, 3187509, 9562527, 28687581]

約数ペア:

[(1, 28687581), (3, 9562527), (9, 3187509), (13, 2206737), (27, 1062503), (39, 735579), (117, 245193), (169, 169749), (351, 81731), (507, 56583), (1521, 18861), (4563, 6287)]