51799905

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 94089600

約数和(自身を除く): 42289695

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 1619, 2133, 3555, 4857, 6399, 8095, 10665, 14571, 24285, 31995, 43713, 72855, 127901, 131139, 218565, 383703, 639505, 655695, 1151109, 1918515, 3453327, 5755545, 10359981, 17266635, 51799905]

約数ペア:

[(1, 51799905), (3, 17266635), (5, 10359981), (9, 5755545), (15, 3453327), (27, 1918515), (45, 1151109), (79, 655695), (81, 639505), (135, 383703), (237, 218565), (395, 131139), (405, 127901), (711, 72855), (1185, 43713), (1619, 31995), (2133, 24285), (3555, 14571), (4857, 10665), (6399, 8095)]