278330931

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:3032

約数の個数: 32

約数和(自身を含む): 426539520

約数和(自身を除く): 148208589

約数列:

[1, 3, 9, 27, 53, 67, 159, 201, 477, 603, 1431, 1809, 2903, 3551, 8709, 10653, 26127, 31959, 78381, 95877, 153859, 194501, 461577, 583503, 1384731, 1750509, 4154193, 5251527, 10308553, 30925659, 92776977, 278330931]

約数ペア:

[(1, 278330931), (3, 92776977), (9, 30925659), (27, 10308553), (53, 5251527), (67, 4154193), (159, 1750509), (201, 1384731), (477, 583503), (603, 461577), (1431, 194501), (1809, 153859), (2903, 95877), (3551, 78381), (8709, 31959), (10653, 26127)]