687420135

素因数分解:

$3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{18121}}^1$

素因数の和:18416

約数の個数: 32

約数和(自身を含む): 1226496960

約数和(自身を除く): 539076825

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 281, 843, 1405, 2529, 4215, 7587, 12645, 18121, 37935, 54363, 90605, 163089, 271815, 489267, 815445, 2446335, 5092001, 15276003, 25460005, 45828009, 76380015, 137484027, 229140045, 687420135]

約数ペア:

[(1, 687420135), (3, 229140045), (5, 137484027), (9, 76380015), (15, 45828009), (27, 25460005), (45, 15276003), (135, 5092001), (281, 2446335), (843, 815445), (1405, 489267), (2529, 271815), (4215, 163089), (7587, 90605), (12645, 54363), (18121, 37935)]