1985823

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 3648000

約数和(自身を除く): 1662177

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 79, 133, 147, 171, 189, 237, 399, 441, 513, 553, 711, 931, 1197, 1323, 1501, 1659, 2133, 2793, 3591, 3871, 4503, 4977, 8379, 10507, 11613, 13509, 14931, 25137, 31521, 34839, 40527, 73549, 94563, 104517, 220647, 283689, 661941, 1985823]

約数ペア:

[(1, 1985823), (3, 661941), (7, 283689), (9, 220647), (19, 104517), (21, 94563), (27, 73549), (49, 40527), (57, 34839), (63, 31521), (79, 25137), (133, 14931), (147, 13509), (171, 11613), (189, 10507), (237, 8379), (399, 4977), (441, 4503), (513, 3871), (553, 3591), (711, 2793), (931, 2133), (1197, 1659), (1323, 1501)]