291512787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{967}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 431557632

約数和(自身を除く): 140044845

約数列:

[1, 3, 17, 23, 51, 69, 257, 391, 771, 967, 1173, 2901, 4369, 5911, 13107, 16439, 17733, 22241, 49317, 66723, 100487, 248519, 301461, 378097, 745557, 1134291, 4224823, 5715937, 12674469, 17147811, 97170929, 291512787]

約数ペア:

[(1, 291512787), (3, 97170929), (17, 17147811), (23, 12674469), (51, 5715937), (69, 4224823), (257, 1134291), (391, 745557), (771, 378097), (967, 301461), (1173, 248519), (2901, 100487), (4369, 66723), (5911, 49317), (13107, 22241), (16439, 17733)]