253722147

素因数分解:

$3^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{4703}}^1$

素因数の和:5087

約数の個数: 24

約数和(自身を含む): 394684416

約数和(自身を除く): 140962269

約数列:

[1, 3, 7, 21, 49, 147, 367, 1101, 2569, 4703, 7707, 14109, 17983, 32921, 53949, 98763, 230447, 691341, 1726001, 5178003, 12082007, 36246021, 84574049, 253722147]

約数ペア:

[(1, 253722147), (3, 84574049), (7, 36246021), (21, 12082007), (49, 5178003), (147, 1726001), (367, 691341), (1101, 230447), (2569, 98763), (4703, 53949), (7707, 32921), (14109, 17983)]