209623449

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3313}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 335960064

約数和(自身を除く): 126336615

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 393, 483, 917, 2751, 3013, 3313, 9039, 9939, 21091, 23191, 63273, 69573, 76199, 228597, 434003, 533393, 1302009, 1600179, 3038021, 9114063, 9982069, 29946207, 69874483, 209623449]

約数ペア:

[(1, 209623449), (3, 69874483), (7, 29946207), (21, 9982069), (23, 9114063), (69, 3038021), (131, 1600179), (161, 1302009), (393, 533393), (483, 434003), (917, 228597), (2751, 76199), (3013, 69573), (3313, 63273), (9039, 23191), (9939, 21091)]