891513

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 663687

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 89, 159, 189, 267, 371, 477, 623, 801, 1113, 1431, 1869, 2403, 3339, 4717, 5607, 10017, 14151, 16821, 33019, 42453, 99057, 127359, 297171, 891513]

約数ペア:

[(1, 891513), (3, 297171), (7, 127359), (9, 99057), (21, 42453), (27, 33019), (53, 16821), (63, 14151), (89, 10017), (159, 5607), (189, 4717), (267, 3339), (371, 2403), (477, 1869), (623, 1431), (801, 1113)]