12816765

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 25132800

約数和(自身を除く): 12316035

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 109, 117, 135, 195, 201, 327, 335, 351, 545, 585, 603, 871, 981, 1005, 1417, 1635, 1755, 1809, 2613, 2943, 3015, 4251, 4355, 4905, 7085, 7303, 7839, 9045, 12753, 13065, 14715, 21255, 21909, 23517, 36515, 38259, 39195, 63765, 65727, 94939, 109545, 117585, 191295, 197181, 284817, 328635, 474695, 854451, 985905, 1424085, 2563353, 4272255, 12816765]

約数ペア:

[(1, 12816765), (3, 4272255), (5, 2563353), (9, 1424085), (13, 985905), (15, 854451), (27, 474695), (39, 328635), (45, 284817), (65, 197181), (67, 191295), (109, 117585), (117, 109545), (135, 94939), (195, 65727), (201, 63765), (327, 39195), (335, 38259), (351, 36515), (545, 23517), (585, 21909), (603, 21255), (871, 14715), (981, 13065), (1005, 12753), (1417, 9045), (1635, 7839), (1755, 7303), (1809, 7085), (2613, 4905), (2943, 4355), (3015, 4251)]