81396105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1877}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 154146240

約数和(自身を除く): 72750135

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 59, 105, 147, 177, 245, 295, 413, 735, 885, 1239, 1877, 2065, 2891, 5631, 6195, 8673, 9385, 13139, 14455, 28155, 39417, 43365, 65695, 91973, 110743, 197085, 275919, 332229, 459865, 553715, 775201, 1379595, 1661145, 2325603, 3876005, 5426407, 11628015, 16279221, 27132035, 81396105]

約数ペア:

[(1, 81396105), (3, 27132035), (5, 16279221), (7, 11628015), (15, 5426407), (21, 3876005), (35, 2325603), (49, 1661145), (59, 1379595), (105, 775201), (147, 553715), (177, 459865), (245, 332229), (295, 275919), (413, 197085), (735, 110743), (885, 91973), (1239, 65695), (1877, 43365), (2065, 39417), (2891, 28155), (5631, 14455), (6195, 13139), (8673, 9385)]