2889045

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 5491200

約数和(自身を除く): 2602155

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 109, 155, 171, 279, 285, 327, 465, 545, 589, 855, 981, 1395, 1635, 1767, 2071, 2945, 3379, 4905, 5301, 6213, 8835, 10137, 10355, 16895, 18639, 26505, 30411, 31065, 50685, 64201, 93195, 152055, 192603, 321005, 577809, 963015, 2889045]

約数ペア:

[(1, 2889045), (3, 963015), (5, 577809), (9, 321005), (15, 192603), (19, 152055), (31, 93195), (45, 64201), (57, 50685), (93, 31065), (95, 30411), (109, 26505), (155, 18639), (171, 16895), (279, 10355), (285, 10137), (327, 8835), (465, 6213), (545, 5301), (589, 4905), (855, 3379), (981, 2945), (1395, 2071), (1635, 1767)]