13581945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 13029255

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 109, 117, 135, 195, 213, 327, 351, 355, 545, 585, 639, 923, 981, 1065, 1417, 1635, 1755, 1917, 2769, 2943, 3195, 4251, 4615, 4905, 7085, 7739, 8307, 9585, 12753, 13845, 14715, 21255, 23217, 24921, 38259, 38695, 41535, 63765, 69651, 100607, 116085, 124605, 191295, 208953, 301821, 348255, 503035, 905463, 1044765, 1509105, 2716389, 4527315, 13581945]

約数ペア:

[(1, 13581945), (3, 4527315), (5, 2716389), (9, 1509105), (13, 1044765), (15, 905463), (27, 503035), (39, 348255), (45, 301821), (65, 208953), (71, 191295), (109, 124605), (117, 116085), (135, 100607), (195, 69651), (213, 63765), (327, 41535), (351, 38695), (355, 38259), (545, 24921), (585, 23217), (639, 21255), (923, 14715), (981, 13845), (1065, 12753), (1417, 9585), (1635, 8307), (1755, 7739), (1917, 7085), (2769, 4905), (2943, 4615), (3195, 4251)]