280800000027

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{291979}}^1$

素因数の和:292405

約数の個数: 40

約数和(自身を含む): 434129879040

約数和(自身を除く): 153329879013

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 383, 837, 1149, 2511, 3447, 10341, 11873, 31023, 35619, 106857, 291979, 320571, 875937, 961713, 2627811, 7883433, 9051349, 23650299, 27154047, 81462141, 111827957, 244386423, 335483871, 733159269, 1006451613, 3019354839, 3466666667, 9058064517, 10400000001, 31200000003, 93600000009, 280800000027]

約数ペア:

[(1, 280800000027), (3, 93600000009), (9, 31200000003), (27, 10400000001), (31, 9058064517), (81, 3466666667), (93, 3019354839), (279, 1006451613), (383, 733159269), (837, 335483871), (1149, 244386423), (2511, 111827957), (3447, 81462141), (10341, 27154047), (11873, 23650299), (31023, 9051349), (35619, 7883433), (106857, 2627811), (291979, 961713), (320571, 875937)]