15957487

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 21028896

約数和(自身を除く): 5071409

約数列:

[1, 7, 13, 41, 47, 49, 91, 169, 287, 329, 533, 611, 637, 1183, 1927, 2009, 2303, 3731, 4277, 6929, 7943, 8281, 13489, 25051, 26117, 29939, 48503, 55601, 94423, 175357, 325663, 339521, 389207, 1227499, 2279641, 15957487]

約数ペア:

[(1, 15957487), (7, 2279641), (13, 1227499), (41, 389207), (47, 339521), (49, 325663), (91, 175357), (169, 94423), (287, 55601), (329, 48503), (533, 29939), (611, 26117), (637, 25051), (1183, 13489), (1927, 8281), (2009, 7943), (2303, 6929), (3731, 4277)]