1972947711

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 3100309344

約数和(自身を除く): 1127361633

約数列:

[1, 3, 7, 21, 49, 147, 193, 197, 353, 579, 591, 1059, 1351, 1379, 2471, 4053, 4137, 7413, 9457, 9653, 17297, 28371, 28959, 38021, 51891, 68129, 69541, 114063, 204387, 208623, 266147, 476903, 486787, 798441, 1430709, 1460361, 1863029, 3338321, 3407509, 5589087, 10014963, 10222527, 13421413, 40264239, 93949891, 281849673, 657649237, 1972947711]

約数ペア:

[(1, 1972947711), (3, 657649237), (7, 281849673), (21, 93949891), (49, 40264239), (147, 13421413), (193, 10222527), (197, 10014963), (353, 5589087), (579, 3407509), (591, 3338321), (1059, 1863029), (1351, 1460361), (1379, 1430709), (2471, 798441), (4053, 486787), (4137, 476903), (7413, 266147), (9457, 208623), (9653, 204387), (17297, 114063), (28371, 69541), (28959, 68129), (38021, 51891)]