28804167

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1429

約数の個数: 40

約数和(自身を含む): 50541216

約数和(自身を除く): 21737049

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 1373, 2331, 2997, 4119, 6993, 9611, 12357, 20979, 28833, 37071, 50801, 86499, 111213, 152403, 259497, 355607, 457209, 778491, 1066821, 1371627, 3200463, 4114881, 9601389, 28804167]

約数ペア:

[(1, 28804167), (3, 9601389), (7, 4114881), (9, 3200463), (21, 1371627), (27, 1066821), (37, 778491), (63, 457209), (81, 355607), (111, 259497), (189, 152403), (259, 111213), (333, 86499), (567, 50801), (777, 37071), (999, 28833), (1373, 20979), (2331, 12357), (2997, 9611), (4119, 6993)]