55180209

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 88252416

約数和(自身を除く): 33072207

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1511, 1739, 4533, 5217, 10577, 12173, 31731, 36519, 55907, 71017, 167721, 213051, 391349, 497119, 1174047, 1491357, 2627629, 7882887, 18393403, 55180209]

約数ペア:

[(1, 55180209), (3, 18393403), (7, 7882887), (21, 2627629), (37, 1491357), (47, 1174047), (111, 497119), (141, 391349), (259, 213051), (329, 167721), (777, 71017), (987, 55907), (1511, 36519), (1739, 31731), (4533, 12173), (5217, 10577)]