1888261245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{140339}}^1$

素因数の和:140386

約数の個数: 48

約数和(自身を含む): 3678030720

約数和(自身を除く): 1789769475

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 140339, 421017, 701695, 1263051, 1824407, 2105085, 3227797, 5473221, 6315255, 9122035, 9683391, 16138985, 16419663, 27366105, 29050173, 41961361, 48416955, 82098315, 125884083, 145250865, 209806805, 377652249, 629420415, 1888261245]

約数ペア:

[(1, 1888261245), (3, 629420415), (5, 377652249), (9, 209806805), (13, 145250865), (15, 125884083), (23, 82098315), (39, 48416955), (45, 41961361), (65, 29050173), (69, 27366105), (115, 16419663), (117, 16138985), (195, 9683391), (207, 9122035), (299, 6315255), (345, 5473221), (585, 3227797), (897, 2105085), (1035, 1824407), (1495, 1263051), (2691, 701695), (4485, 421017), (13455, 140339)]