20131587

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18797}}^1$

素因数の和:18827

約数の個数: 24

約数和(自身を含む): 35189856

約数和(自身を除く): 15058269

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18797, 56391, 131579, 169173, 319549, 394737, 958647, 1184211, 2236843, 2875941, 6710529, 20131587]

約数ペア:

[(1, 20131587), (3, 6710529), (7, 2875941), (9, 2236843), (17, 1184211), (21, 958647), (51, 394737), (63, 319549), (119, 169173), (153, 131579), (357, 56391), (1071, 18797)]