39661407

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 63016800

約数和(自身を除く): 23355393

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 207, 349, 549, 621, 1047, 1403, 1647, 1863, 3141, 4209, 4941, 8027, 9423, 12627, 21289, 24081, 28269, 37881, 63867, 72243, 113643, 191601, 216729, 489647, 574803, 650187, 1468941, 1724409, 4406823, 13220469, 39661407]

約数ペア:

[(1, 39661407), (3, 13220469), (9, 4406823), (23, 1724409), (27, 1468941), (61, 650187), (69, 574803), (81, 489647), (183, 216729), (207, 191601), (349, 113643), (549, 72243), (621, 63867), (1047, 37881), (1403, 28269), (1647, 24081), (1863, 21289), (3141, 12627), (4209, 9423), (4941, 8027)]