213033171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 333593568

約数和(自身を除く): 120560397

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 289, 461, 533, 663, 697, 867, 1383, 1599, 2091, 3757, 5993, 7837, 9061, 11271, 11849, 17979, 18901, 23511, 27183, 35547, 56703, 101881, 133229, 154037, 245713, 305643, 321317, 399687, 462111, 737139, 963951, 1731977, 4177121, 5195931, 5462389, 12531363, 16387167, 71011057, 213033171]

約数ペア:

[(1, 213033171), (3, 71011057), (13, 16387167), (17, 12531363), (39, 5462389), (41, 5195931), (51, 4177121), (123, 1731977), (221, 963951), (289, 737139), (461, 462111), (533, 399687), (663, 321317), (697, 305643), (867, 245713), (1383, 154037), (1599, 133229), (2091, 101881), (3757, 56703), (5993, 35547), (7837, 27183), (9061, 23511), (11271, 18901), (11849, 17979)]