40481259

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 67307520

約数和(自身を除く): 26826261

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 1877, 3081, 5631, 7189, 13139, 21567, 24401, 39417, 73203, 148283, 170807, 444849, 512421, 1037981, 1927679, 3113943, 5783037, 13493753, 40481259]

約数ペア:

[(1, 40481259), (3, 13493753), (7, 5783037), (13, 3113943), (21, 1927679), (39, 1037981), (79, 512421), (91, 444849), (237, 170807), (273, 148283), (553, 73203), (1027, 39417), (1659, 24401), (1877, 21567), (3081, 13139), (5631, 7189)]