220873347

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 354931200

約数和(自身を除く): 134057853

約数列:

[1, 3, 9, 19, 23, 57, 69, 89, 171, 207, 267, 437, 631, 801, 1311, 1691, 1893, 2047, 3933, 5073, 5679, 6141, 11989, 14513, 15219, 18423, 35967, 38893, 43539, 56159, 107901, 116679, 130617, 168477, 275747, 350037, 505431, 827241, 1067021, 1291657, 2481723, 3201063, 3874971, 9603189, 11624913, 24541483, 73624449, 220873347]

約数ペア:

[(1, 220873347), (3, 73624449), (9, 24541483), (19, 11624913), (23, 9603189), (57, 3874971), (69, 3201063), (89, 2481723), (171, 1291657), (207, 1067021), (267, 827241), (437, 505431), (631, 350037), (801, 275747), (1311, 168477), (1691, 130617), (1893, 116679), (2047, 107901), (3933, 56159), (5073, 43539), (5679, 38893), (6141, 35967), (11989, 18423), (14513, 15219)]