291488223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{3037}}^1$

素因数の和:3183

約数の個数: 32

約数和(自身を含む): 440971776

約数和(自身を除く): 149483553

約数列:

[1, 3, 13, 23, 39, 69, 107, 299, 321, 897, 1391, 2461, 3037, 4173, 7383, 9111, 31993, 39481, 69851, 95979, 118443, 209553, 324959, 908063, 974877, 2724189, 4224467, 7474057, 12673401, 22422171, 97162741, 291488223]

約数ペア:

[(1, 291488223), (3, 97162741), (13, 22422171), (23, 12673401), (39, 7474057), (69, 4224467), (107, 2724189), (299, 974877), (321, 908063), (897, 324959), (1391, 209553), (2461, 118443), (3037, 95979), (4173, 69851), (7383, 39481), (9111, 31993)]