128435517

素因数分解:

$3^3\times 7^2\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 222929280

約数和(自身を除く): 94493763

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 193, 441, 503, 579, 1323, 1351, 1509, 1737, 3521, 4053, 4527, 5211, 9457, 10563, 12159, 13581, 24647, 28371, 31689, 36477, 73941, 85113, 95067, 97079, 221823, 255339, 291237, 665469, 679553, 873711, 2038659, 2621133, 4756871, 6115977, 14270613, 18347931, 42811839, 128435517]

約数ペア:

[(1, 128435517), (3, 42811839), (7, 18347931), (9, 14270613), (21, 6115977), (27, 4756871), (49, 2621133), (63, 2038659), (147, 873711), (189, 679553), (193, 665469), (441, 291237), (503, 255339), (579, 221823), (1323, 97079), (1351, 95067), (1509, 85113), (1737, 73941), (3521, 36477), (4053, 31689), (4527, 28371), (5211, 24647), (9457, 13581), (10563, 12159)]