38986779

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 56814912

約数和(自身を除く): 17828133

約数列:

[1, 3, 13, 39, 131, 169, 393, 507, 587, 1703, 1761, 5109, 7631, 22139, 22893, 66417, 76897, 99203, 230691, 297609, 999661, 2998983, 12995593, 38986779]

約数ペア:

[(1, 38986779), (3, 12995593), (13, 2998983), (39, 999661), (131, 297609), (169, 230691), (393, 99203), (507, 76897), (587, 66417), (1703, 22893), (1761, 22139), (5109, 7631)]