15345918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 39267072

約数和(自身を除く): 23921154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 137, 147, 254, 274, 294, 381, 411, 441, 762, 822, 882, 889, 959, 1143, 1233, 1778, 1918, 2286, 2466, 2667, 2877, 5334, 5754, 6223, 6713, 8001, 8631, 12446, 13426, 16002, 17262, 17399, 18669, 20139, 34798, 37338, 40278, 52197, 56007, 60417, 104394, 112014, 120834, 121793, 156591, 243586, 313182, 365379, 730758, 852551, 1096137, 1705102, 2192274, 2557653, 5115306, 7672959, 15345918]

約数ペア:

[(1, 15345918), (2, 7672959), (3, 5115306), (6, 2557653), (7, 2192274), (9, 1705102), (14, 1096137), (18, 852551), (21, 730758), (42, 365379), (49, 313182), (63, 243586), (98, 156591), (126, 121793), (127, 120834), (137, 112014), (147, 104394), (254, 60417), (274, 56007), (294, 52197), (381, 40278), (411, 37338), (441, 34798), (762, 20139), (822, 18669), (882, 17399), (889, 17262), (959, 16002), (1143, 13426), (1233, 12446), (1778, 8631), (1918, 8001), (2286, 6713), (2466, 6223), (2667, 5754), (2877, 5334)]