216970857

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{1031}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 319300800

約数和(自身を除く): 102329943

約数列:

[1, 3, 9, 67, 201, 349, 603, 1031, 1047, 3093, 3141, 9279, 23383, 69077, 70149, 207231, 210447, 359819, 621693, 1079457, 3238371, 24107873, 72323619, 216970857]

約数ペア:

[(1, 216970857), (3, 72323619), (9, 24107873), (67, 3238371), (201, 1079457), (349, 621693), (603, 359819), (1031, 210447), (1047, 207231), (3093, 70149), (3141, 69077), (9279, 23383)]