207982017

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{631}}^1\times {\mathrm{691}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 307015488

約数和(自身を除く): 99033471

約数列:

[1, 3, 9, 53, 159, 477, 631, 691, 1893, 2073, 5679, 6219, 33443, 36623, 100329, 109869, 300987, 329607, 436021, 1308063, 3924189, 23109113, 69327339, 207982017]

約数ペア:

[(1, 207982017), (3, 69327339), (9, 23109113), (53, 3924189), (159, 1308063), (477, 436021), (631, 329607), (691, 300987), (1893, 109869), (2073, 100329), (5679, 36623), (6219, 33443)]