212220195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{55921}}^1$

素因数の和:55963

約数の個数: 32

約数和(自身を含む): 386532864

約数和(自身を除く): 174312669

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 55921, 167763, 279605, 615131, 838815, 1286183, 1845393, 3075655, 3858549, 6430915, 9226965, 14148013, 19292745, 42444039, 70740065, 212220195]

約数ペア:

[(1, 212220195), (3, 70740065), (5, 42444039), (11, 19292745), (15, 14148013), (23, 9226965), (33, 6430915), (55, 3858549), (69, 3075655), (115, 1845393), (165, 1286183), (253, 838815), (345, 615131), (759, 279605), (1265, 167763), (3795, 55921)]