68668929

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 118085760

約数和(自身を除く): 49416831

約数列:

[1, 3, 7, 9, 21, 37, 63, 89, 111, 259, 267, 331, 333, 623, 777, 801, 993, 1869, 2317, 2331, 2979, 3293, 5607, 6951, 9879, 12247, 20853, 23051, 29459, 29637, 36741, 69153, 85729, 88377, 110223, 206213, 207459, 257187, 265131, 618639, 771561, 1089983, 1855917, 3269949, 7629881, 9809847, 22889643, 68668929]

約数ペア:

[(1, 68668929), (3, 22889643), (7, 9809847), (9, 7629881), (21, 3269949), (37, 1855917), (63, 1089983), (89, 771561), (111, 618639), (259, 265131), (267, 257187), (331, 207459), (333, 206213), (623, 110223), (777, 88377), (801, 85729), (993, 69153), (1869, 36741), (2317, 29637), (2331, 29459), (2979, 23051), (3293, 20853), (5607, 12247), (6951, 9879)]