138123045

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 257167872

約数和(自身を除く): 119044827

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 2543, 3195, 3621, 6035, 7629, 10863, 12715, 18105, 22887, 38145, 43231, 54315, 114435, 129693, 180553, 216155, 389079, 541659, 648465, 902765, 1624977, 1945395, 2708295, 3069401, 8124885, 9208203, 15347005, 27624609, 46041015, 138123045]

約数ペア:

[(1, 138123045), (3, 46041015), (5, 27624609), (9, 15347005), (15, 9208203), (17, 8124885), (45, 3069401), (51, 2708295), (71, 1945395), (85, 1624977), (153, 902765), (213, 648465), (255, 541659), (355, 389079), (639, 216155), (765, 180553), (1065, 129693), (1207, 114435), (2543, 54315), (3195, 43231), (3621, 38145), (6035, 22887), (7629, 18105), (10863, 12715)]