821213964

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1237

約数の個数: 120

約数和(自身を含む): 2242977968

約数和(自身を除く): 1421764004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 61, 74, 81, 108, 111, 122, 148, 162, 183, 222, 244, 324, 333, 366, 444, 549, 666, 732, 999, 1098, 1123, 1332, 1647, 1998, 2196, 2246, 2257, 2997, 3294, 3369, 3996, 4492, 4514, 4941, 5994, 6588, 6738, 6771, 9028, 9882, 10107, 11988, 13476, 13542, 19764, 20214, 20313, 27084, 30321, 40428, 40626, 41551, 60642, 60939, 68503, 81252, 83102, 90963, 121284, 121878, 124653, 137006, 166204, 181926, 182817, 205509, 243756, 249306, 274012, 363852, 365634, 373959, 411018, 498612, 616527, 731268, 747918, 822036, 1121877, 1233054, 1495836, 1849581, 2243754, 2466108, 2534611, 3365631, 3699162, 4487508, 5069222, 5548743, 6731262, 7398324, 7603833, 10138444, 11097486, 13462524, 15207666, 22194972, 22811499, 30415332, 45622998, 68434497, 91245996, 136868994, 205303491, 273737988, 410606982, 821213964]

約数ペア:

[(1, 821213964), (2, 410606982), (3, 273737988), (4, 205303491), (6, 136868994), (9, 91245996), (12, 68434497), (18, 45622998), (27, 30415332), (36, 22811499), (37, 22194972), (54, 15207666), (61, 13462524), (74, 11097486), (81, 10138444), (108, 7603833), (111, 7398324), (122, 6731262), (148, 5548743), (162, 5069222), (183, 4487508), (222, 3699162), (244, 3365631), (324, 2534611), (333, 2466108), (366, 2243754), (444, 1849581), (549, 1495836), (666, 1233054), (732, 1121877), (999, 822036), (1098, 747918), (1123, 731268), (1332, 616527), (1647, 498612), (1998, 411018), (2196, 373959), (2246, 365634), (2257, 363852), (2997, 274012), (3294, 249306), (3369, 243756), (3996, 205509), (4492, 182817), (4514, 181926), (4941, 166204), (5994, 137006), (6588, 124653), (6738, 121878), (6771, 121284), (9028, 90963), (9882, 83102), (10107, 81252), (11988, 68503), (13476, 60939), (13542, 60642), (19764, 41551), (20214, 40626), (20313, 40428), (27084, 30321)]