1264347

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 2205216

約数和(自身を除く): 940869

約数列:

[1, 3, 7, 9, 21, 47, 49, 61, 63, 141, 147, 183, 329, 423, 427, 441, 549, 987, 1281, 2303, 2867, 2961, 2989, 3843, 6909, 8601, 8967, 20069, 20727, 25803, 26901, 60207, 140483, 180621, 421449, 1264347]

約数ペア:

[(1, 1264347), (3, 421449), (7, 180621), (9, 140483), (21, 60207), (47, 26901), (49, 25803), (61, 20727), (63, 20069), (141, 8967), (147, 8601), (183, 6909), (329, 3843), (423, 2989), (427, 2961), (441, 2867), (549, 2303), (987, 1281)]