28395909

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 42414840

約数和(自身を除く): 14018931

約数列:

[1, 3, 9, 37, 111, 269, 317, 333, 807, 951, 2421, 2853, 9953, 11729, 29859, 35187, 85273, 89577, 105561, 255819, 767457, 3155101, 9465303, 28395909]

約数ペア:

[(1, 28395909), (3, 9465303), (9, 3155101), (37, 767457), (111, 255819), (269, 105561), (317, 89577), (333, 85273), (807, 35187), (951, 29859), (2421, 11729), (2853, 9953)]