15668289

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 13442751

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 911, 1323, 1911, 2457, 2733, 5733, 6377, 8199, 11843, 17199, 19131, 24597, 35529, 44639, 57393, 82901, 106587, 133917, 172179, 248703, 319761, 401751, 580307, 746109, 1205253, 1740921, 2238327, 5222763, 15668289]

約数ペア:

[(1, 15668289), (3, 5222763), (7, 2238327), (9, 1740921), (13, 1205253), (21, 746109), (27, 580307), (39, 401751), (49, 319761), (63, 248703), (91, 172179), (117, 133917), (147, 106587), (189, 82901), (273, 57393), (351, 44639), (441, 35529), (637, 24597), (819, 19131), (911, 17199), (1323, 11843), (1911, 8199), (2457, 6377), (2733, 5733)]