27961787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 8326213

約数列:

[1, 7, 17, 19, 83, 119, 133, 149, 323, 581, 1043, 1411, 1577, 2261, 2533, 2831, 9877, 11039, 12367, 17731, 19817, 26809, 48127, 86569, 187663, 210239, 234973, 336889, 1471673, 1644811, 3994541, 27961787]

約数ペア:

[(1, 27961787), (7, 3994541), (17, 1644811), (19, 1471673), (83, 336889), (119, 234973), (133, 210239), (149, 187663), (323, 86569), (581, 48127), (1043, 26809), (1411, 19817), (1577, 17731), (2261, 12367), (2533, 11039), (2831, 9877)]