2028161781

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 3202467840

約数和(自身を除く): 1174306059

約数列:

[1, 3, 9, 23, 27, 69, 107, 131, 207, 233, 321, 393, 621, 699, 963, 1179, 2097, 2461, 2889, 3013, 3537, 5359, 6291, 7383, 9039, 14017, 16077, 22149, 24931, 27117, 30523, 42051, 48231, 66447, 74793, 81351, 91569, 126153, 144693, 224379, 274707, 322391, 378459, 573413, 673137, 702029, 824121, 967173, 1720239, 2106087, 2901519, 3265961, 5160717, 6318261, 8704557, 9797883, 15482151, 18954783, 29393649, 75117103, 88180947, 225351309, 676053927, 2028161781]

約数ペア:

[(1, 2028161781), (3, 676053927), (9, 225351309), (23, 88180947), (27, 75117103), (69, 29393649), (107, 18954783), (131, 15482151), (207, 9797883), (233, 8704557), (321, 6318261), (393, 5160717), (621, 3265961), (699, 2901519), (963, 2106087), (1179, 1720239), (2097, 967173), (2461, 824121), (2889, 702029), (3013, 673137), (3537, 573413), (5359, 378459), (6291, 322391), (7383, 274707), (9039, 224379), (14017, 144693), (16077, 126153), (22149, 91569), (24931, 81351), (27117, 74793), (30523, 66447), (42051, 48231)]