338664963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1511}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 556803072

約数和(自身を除く): 218138109

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 821, 1511, 2463, 4533, 5747, 10577, 10673, 17241, 19643, 31731, 32019, 58929, 74711, 137501, 224133, 412503, 1240531, 3721593, 8683717, 16126903, 26051151, 48380709, 112888321, 338664963]

約数ペア:

[(1, 338664963), (3, 112888321), (7, 48380709), (13, 26051151), (21, 16126903), (39, 8683717), (91, 3721593), (273, 1240531), (821, 412503), (1511, 224133), (2463, 137501), (4533, 74711), (5747, 58929), (10577, 32019), (10673, 31731), (17241, 19643)]