40168947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{147139}}^1$

素因数の和:147162

約数の個数: 16

約数和(自身を含む): 65918720

約数和(自身を除く): 25749773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 147139, 441417, 1029973, 1912807, 3089919, 5738421, 13389649, 40168947]

約数ペア:

[(1, 40168947), (3, 13389649), (7, 5738421), (13, 3089919), (21, 1912807), (39, 1029973), (91, 441417), (273, 147139)]