68970555

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 129024000

約数和(自身を除く): 60053445

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 79, 87, 135, 145, 223, 237, 261, 395, 435, 669, 711, 783, 1115, 1185, 1305, 2007, 2133, 2291, 3345, 3555, 3915, 6021, 6467, 6873, 10035, 10665, 11455, 17617, 19401, 20619, 30105, 32335, 34365, 52851, 58203, 61857, 88085, 97005, 103095, 158553, 174609, 264255, 291015, 309285, 475659, 510893, 792765, 873045, 1532679, 2378295, 2554465, 4598037, 7663395, 13794111, 22990185, 68970555]

約数ペア:

[(1, 68970555), (3, 22990185), (5, 13794111), (9, 7663395), (15, 4598037), (27, 2554465), (29, 2378295), (45, 1532679), (79, 873045), (87, 792765), (135, 510893), (145, 475659), (223, 309285), (237, 291015), (261, 264255), (395, 174609), (435, 158553), (669, 103095), (711, 97005), (783, 88085), (1115, 61857), (1185, 58203), (1305, 52851), (2007, 34365), (2133, 32335), (2291, 30105), (3345, 20619), (3555, 19401), (3915, 17617), (6021, 11455), (6467, 10665), (6873, 10035)]