21747587679

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{17971}}^1$

素因数の和:18132

約数の個数: 48

約数和(自身を含む): 33307148160

約数和(自身を除く): 11559560481

約数列:

[1, 3, 9, 43, 53, 59, 129, 159, 177, 387, 477, 531, 2279, 2537, 3127, 6837, 7611, 9381, 17971, 20511, 22833, 28143, 53913, 134461, 161739, 403383, 772753, 952463, 1060289, 1210149, 2318259, 2857389, 3180867, 6954777, 8572167, 9542601, 40955909, 45592427, 56195317, 122867727, 136777281, 168585951, 368603181, 410331843, 505757853, 2416398631, 7249195893, 21747587679]

約数ペア:

[(1, 21747587679), (3, 7249195893), (9, 2416398631), (43, 505757853), (53, 410331843), (59, 368603181), (129, 168585951), (159, 136777281), (177, 122867727), (387, 56195317), (477, 45592427), (531, 40955909), (2279, 9542601), (2537, 8572167), (3127, 6954777), (6837, 3180867), (7611, 2857389), (9381, 2318259), (17971, 1210149), (20511, 1060289), (22833, 952463), (28143, 772753), (53913, 403383), (134461, 161739)]