206765505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 404352000

約数和(自身を除く): 197586495

約数列:

[1, 3, 5, 9, 15, 19, 29, 31, 45, 57, 87, 93, 95, 145, 155, 171, 261, 269, 279, 285, 435, 465, 551, 589, 807, 855, 899, 1305, 1345, 1395, 1653, 1767, 2421, 2697, 2755, 2945, 4035, 4495, 4959, 5111, 5301, 7801, 8091, 8265, 8339, 8835, 12105, 13485, 15333, 17081, 23403, 24795, 25017, 25555, 26505, 39005, 40455, 41695, 45999, 51243, 70209, 75051, 76665, 85405, 117015, 125085, 148219, 153729, 158441, 229995, 241831, 256215, 351045, 375255, 444657, 475323, 725493, 741095, 768645, 792205, 1209155, 1333971, 1425969, 2176479, 2223285, 2376615, 3627465, 4594789, 6669855, 7129845, 10882395, 13784367, 22973945, 41353101, 68921835, 206765505]

約数ペア:

[(1, 206765505), (3, 68921835), (5, 41353101), (9, 22973945), (15, 13784367), (19, 10882395), (29, 7129845), (31, 6669855), (45, 4594789), (57, 3627465), (87, 2376615), (93, 2223285), (95, 2176479), (145, 1425969), (155, 1333971), (171, 1209155), (261, 792205), (269, 768645), (279, 741095), (285, 725493), (435, 475323), (465, 444657), (551, 375255), (589, 351045), (807, 256215), (855, 241831), (899, 229995), (1305, 158441), (1345, 153729), (1395, 148219), (1653, 125085), (1767, 117015), (2421, 85405), (2697, 76665), (2755, 75051), (2945, 70209), (4035, 51243), (4495, 45999), (4959, 41695), (5111, 40455), (5301, 39005), (7801, 26505), (8091, 25555), (8265, 25017), (8339, 24795), (8835, 23403), (12105, 17081), (13485, 15333)]