816855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 634665

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 71, 177, 195, 213, 295, 355, 767, 885, 923, 1065, 2301, 2769, 3835, 4189, 4615, 11505, 12567, 13845, 20945, 54457, 62835, 163371, 272285, 816855]

約数ペア:

[(1, 816855), (3, 272285), (5, 163371), (13, 62835), (15, 54457), (39, 20945), (59, 13845), (65, 12567), (71, 11505), (177, 4615), (195, 4189), (213, 3835), (295, 2769), (355, 2301), (767, 1065), (885, 923)]