28980135

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 24091065

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 261, 265, 419, 435, 477, 795, 1257, 1305, 1537, 2095, 2385, 3771, 4611, 6285, 7685, 12151, 13833, 18855, 22207, 23055, 36453, 60755, 66621, 69165, 109359, 111035, 182265, 199863, 333105, 546795, 644003, 999315, 1932009, 3220015, 5796027, 9660045, 28980135]

約数ペア:

[(1, 28980135), (3, 9660045), (5, 5796027), (9, 3220015), (15, 1932009), (29, 999315), (45, 644003), (53, 546795), (87, 333105), (145, 199863), (159, 182265), (261, 111035), (265, 109359), (419, 69165), (435, 66621), (477, 60755), (795, 36453), (1257, 23055), (1305, 22207), (1537, 18855), (2095, 13833), (2385, 12151), (3771, 7685), (4611, 6285)]