68627775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 118742400

約数和(自身を除く): 50114625

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 139, 145, 227, 417, 435, 681, 695, 725, 1135, 2085, 2175, 3405, 3475, 4031, 5675, 6583, 10425, 12093, 17025, 19749, 20155, 31553, 32915, 60465, 94659, 98745, 100775, 157765, 164575, 302325, 473295, 493725, 788825, 915037, 2366475, 2745111, 4575185, 13725555, 22875925, 68627775]

約数ペア:

[(1, 68627775), (3, 22875925), (5, 13725555), (15, 4575185), (25, 2745111), (29, 2366475), (75, 915037), (87, 788825), (139, 493725), (145, 473295), (227, 302325), (417, 164575), (435, 157765), (681, 100775), (695, 98745), (725, 94659), (1135, 60465), (2085, 32915), (2175, 31553), (3405, 20155), (3475, 19749), (4031, 17025), (5675, 12093), (6583, 10425)]