289394973

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1049}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 497952000

約数和(自身を除く): 208557027

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 151, 203, 261, 453, 609, 1049, 1057, 1359, 1827, 3147, 3171, 4379, 7343, 9441, 9513, 13137, 22029, 30421, 30653, 39411, 66087, 91263, 91959, 158399, 212947, 273789, 275877, 475197, 638841, 1108793, 1425591, 1916523, 3326379, 4593571, 9979137, 13780713, 32154997, 41342139, 96464991, 289394973]

約数ペア:

[(1, 289394973), (3, 96464991), (7, 41342139), (9, 32154997), (21, 13780713), (29, 9979137), (63, 4593571), (87, 3326379), (151, 1916523), (203, 1425591), (261, 1108793), (453, 638841), (609, 475197), (1049, 275877), (1057, 273789), (1359, 212947), (1827, 158399), (3147, 91959), (3171, 91263), (4379, 66087), (7343, 39411), (9441, 30653), (9513, 30421), (13137, 22029)]