13201713

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10385487

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 269, 287, 369, 399, 779, 807, 861, 1197, 1883, 2337, 2421, 2583, 5111, 5453, 5649, 7011, 11029, 15333, 16359, 16947, 33087, 35777, 45999, 49077, 77203, 99261, 107331, 209551, 231609, 321993, 628653, 694827, 1466857, 1885959, 4400571, 13201713]

約数ペア:

[(1, 13201713), (3, 4400571), (7, 1885959), (9, 1466857), (19, 694827), (21, 628653), (41, 321993), (57, 231609), (63, 209551), (123, 107331), (133, 99261), (171, 77203), (269, 49077), (287, 45999), (369, 35777), (399, 33087), (779, 16947), (807, 16359), (861, 15333), (1197, 11029), (1883, 7011), (2337, 5649), (2421, 5453), (2583, 5111)]