31874155173

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7125901}}^1$

素因数の和:7125985

約数の個数: 24

約数和(自身を含む): 53358754176

約数和(自身を除く): 21484599003

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 7125901, 21377703, 49881307, 64133109, 149643921, 448931763, 505938971, 1517816913, 3541572797, 4553450739, 10624718391, 31874155173]

約数ペア:

[(1, 31874155173), (3, 10624718391), (7, 4553450739), (9, 3541572797), (21, 1517816913), (63, 505938971), (71, 448931763), (213, 149643921), (497, 64133109), (639, 49881307), (1491, 21377703), (4473, 7125901)]