13666815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 24950016

約数和(自身を除く): 11283201

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 97, 101, 155, 279, 291, 303, 465, 485, 505, 873, 909, 1395, 1455, 1515, 3007, 3131, 4365, 4545, 9021, 9393, 9797, 15035, 15655, 27063, 28179, 29391, 45105, 46965, 48985, 88173, 135315, 140895, 146955, 303707, 440865, 911121, 1518535, 2733363, 4555605, 13666815]

約数ペア:

[(1, 13666815), (3, 4555605), (5, 2733363), (9, 1518535), (15, 911121), (31, 440865), (45, 303707), (93, 146955), (97, 140895), (101, 135315), (155, 88173), (279, 48985), (291, 46965), (303, 45105), (465, 29391), (485, 28179), (505, 27063), (873, 15655), (909, 15035), (1395, 9797), (1455, 9393), (1515, 9021), (3007, 4545), (3131, 4365)]