221555142

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{25171}}^1$

素因数の和:25345

約数の個数: 32

約数和(自身を含む): 495384960

約数和(自身を除く): 273829818

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2934, 4401, 8802, 25171, 50342, 75513, 151026, 226539, 453078, 679617, 1359234, 4102873, 8205746, 12308619, 24617238, 36925857, 73851714, 110777571, 221555142]

約数ペア:

[(1, 221555142), (2, 110777571), (3, 73851714), (6, 36925857), (9, 24617238), (18, 12308619), (27, 8205746), (54, 4102873), (163, 1359234), (326, 679617), (489, 453078), (978, 226539), (1467, 151026), (2934, 75513), (4401, 50342), (8802, 25171)]