28782999

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2273}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 49482240

約数和(自身を除く): 20699241

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 2273, 4221, 6819, 12663, 15911, 20457, 47733, 61371, 143199, 152291, 429597, 456873, 1066037, 1370619, 3198111, 4111857, 9594333, 28782999]

約数ペア:

[(1, 28782999), (3, 9594333), (7, 4111857), (9, 3198111), (21, 1370619), (27, 1066037), (63, 456873), (67, 429597), (189, 152291), (201, 143199), (469, 61371), (603, 47733), (1407, 20457), (1809, 15911), (2273, 12663), (4221, 6819)]