1821496977

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 3020903424

約数和(自身を除く): 1199406447

約数列:

[1, 3, 9, 17, 27, 31, 51, 71, 81, 93, 153, 213, 279, 459, 527, 601, 639, 837, 1207, 1377, 1581, 1803, 1917, 2201, 2511, 3621, 4743, 5409, 5751, 6603, 10217, 10863, 14229, 16227, 18631, 19809, 30651, 32589, 37417, 42671, 42687, 48681, 55893, 59427, 91953, 97767, 112251, 128013, 167679, 178281, 275859, 316727, 336753, 384039, 503037, 725407, 827577, 950181, 1010259, 1152117, 1322801, 1509111, 2176221, 2850543, 3030777, 3456351, 3968403, 6528663, 8551629, 11905209, 19585989, 22487617, 25654887, 35715627, 58757967, 67462851, 107146881, 202388553, 607165659, 1821496977]

約数ペア:

[(1, 1821496977), (3, 607165659), (9, 202388553), (17, 107146881), (27, 67462851), (31, 58757967), (51, 35715627), (71, 25654887), (81, 22487617), (93, 19585989), (153, 11905209), (213, 8551629), (279, 6528663), (459, 3968403), (527, 3456351), (601, 3030777), (639, 2850543), (837, 2176221), (1207, 1509111), (1377, 1322801), (1581, 1152117), (1803, 1010259), (1917, 950181), (2201, 827577), (2511, 725407), (3621, 503037), (4743, 384039), (5409, 336753), (5751, 316727), (6603, 275859), (10217, 178281), (10863, 167679), (14229, 128013), (16227, 112251), (18631, 97767), (19809, 91953), (30651, 59427), (32589, 55893), (37417, 48681), (42671, 42687)]