2720462481

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 4484555712

約数和(自身を除く): 1764093231

約数列:

[1, 3, 9, 11, 33, 37, 99, 107, 111, 121, 321, 333, 363, 407, 631, 963, 1089, 1177, 1221, 1893, 3531, 3663, 3959, 4477, 5679, 6941, 10593, 11877, 12947, 13431, 20823, 23347, 35631, 38841, 40293, 43549, 62469, 67517, 70041, 76351, 116523, 130647, 202551, 210123, 229053, 256817, 391941, 479039, 607653, 687159, 742687, 770451, 1437117, 2228061, 2311353, 2498129, 2824987, 4311351, 6684183, 7494387, 8169557, 8474961, 22483161, 24508671, 25424883, 27479419, 73526013, 82438257, 247314771, 302273609, 906820827, 2720462481]

約数ペア:

[(1, 2720462481), (3, 906820827), (9, 302273609), (11, 247314771), (33, 82438257), (37, 73526013), (99, 27479419), (107, 25424883), (111, 24508671), (121, 22483161), (321, 8474961), (333, 8169557), (363, 7494387), (407, 6684183), (631, 4311351), (963, 2824987), (1089, 2498129), (1177, 2311353), (1221, 2228061), (1893, 1437117), (3531, 770451), (3663, 742687), (3959, 687159), (4477, 607653), (5679, 479039), (6941, 391941), (10593, 256817), (11877, 229053), (12947, 210123), (13431, 202551), (20823, 130647), (23347, 116523), (35631, 76351), (38841, 70041), (40293, 67517), (43549, 62469)]