211310205

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{2029}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 347276160

約数和(自身を除く): 135965955

約数列:

[1, 3, 5, 15, 53, 131, 159, 265, 393, 655, 795, 1965, 2029, 6087, 6943, 10145, 20829, 30435, 34715, 104145, 107537, 265799, 322611, 537685, 797397, 1328995, 1613055, 3986985, 14087347, 42262041, 70436735, 211310205]

約数ペア:

[(1, 211310205), (3, 70436735), (5, 42262041), (15, 14087347), (53, 3986985), (131, 1613055), (159, 1328995), (265, 797397), (393, 537685), (655, 322611), (795, 265799), (1965, 107537), (2029, 104145), (6087, 34715), (6943, 30435), (10145, 20829)]