209193117

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 324559872

約数和(自身を除く): 115366755

約数列:

[1, 3, 7, 21, 83, 249, 257, 467, 581, 771, 1401, 1743, 1799, 3269, 5397, 9807, 21331, 38761, 63993, 116283, 120019, 149317, 271327, 360057, 447951, 813981, 840133, 2520399, 9961577, 29884731, 69731039, 209193117]

約数ペア:

[(1, 209193117), (3, 69731039), (7, 29884731), (21, 9961577), (83, 2520399), (249, 840133), (257, 813981), (467, 447951), (581, 360057), (771, 271327), (1401, 149317), (1743, 120019), (1799, 116283), (3269, 63993), (5397, 38761), (9807, 21331)]