9721638

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1289}}^1$

素因数の和:1716

約数の個数: 24

約数和(自身を含む): 21130200

約数和(自身を除く): 11408562

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 1289, 2514, 2578, 3771, 3867, 7542, 7734, 11601, 23202, 540091, 1080182, 1620273, 3240546, 4860819, 9721638]

約数ペア:

[(1, 9721638), (2, 4860819), (3, 3240546), (6, 1620273), (9, 1080182), (18, 540091), (419, 23202), (838, 11601), (1257, 7734), (1289, 7542), (2514, 3867), (2578, 3771)]