80619903

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 144406080

約数和(自身を除く): 63786177

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 173, 273, 519, 569, 819, 1211, 1557, 1707, 2249, 3633, 3983, 5121, 6747, 7397, 10899, 11949, 15743, 20241, 22191, 35847, 47229, 51779, 66573, 98437, 141687, 155337, 295311, 466011, 689059, 885933, 1279681, 2067177, 3839043, 6201531, 8957767, 11517129, 26873301, 80619903]

約数ペア:

[(1, 80619903), (3, 26873301), (7, 11517129), (9, 8957767), (13, 6201531), (21, 3839043), (39, 2067177), (63, 1279681), (91, 885933), (117, 689059), (173, 466011), (273, 295311), (519, 155337), (569, 141687), (819, 98437), (1211, 66573), (1557, 51779), (1707, 47229), (2249, 35847), (3633, 22191), (3983, 20241), (5121, 15743), (6747, 11949), (7397, 10899)]