660199761

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 1104768000

約数和(自身を除く): 444568239

約数列:

[1, 3, 9, 13, 27, 29, 39, 79, 87, 117, 237, 261, 351, 377, 711, 783, 821, 1027, 1131, 2133, 2291, 2463, 3081, 3393, 6873, 7389, 9243, 10179, 10673, 20619, 22167, 23809, 27729, 29783, 32019, 61857, 64859, 71427, 89349, 96057, 194577, 214281, 268047, 288171, 309517, 583731, 642843, 804141, 843167, 928551, 1751193, 1880911, 2529501, 2785653, 5642733, 7588503, 8356959, 16928199, 22765509, 24451843, 50784597, 73355529, 220066587, 660199761]

約数ペア:

[(1, 660199761), (3, 220066587), (9, 73355529), (13, 50784597), (27, 24451843), (29, 22765509), (39, 16928199), (79, 8356959), (87, 7588503), (117, 5642733), (237, 2785653), (261, 2529501), (351, 1880911), (377, 1751193), (711, 928551), (783, 843167), (821, 804141), (1027, 642843), (1131, 583731), (2133, 309517), (2291, 288171), (2463, 268047), (3081, 214281), (3393, 194577), (6873, 96057), (7389, 89349), (9243, 71427), (10179, 64859), (10673, 61857), (20619, 32019), (22167, 29783), (23809, 27729)]