15121974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 35659008

約数和(自身を除く): 20537034

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 263, 518, 526, 777, 789, 1369, 1554, 1578, 1841, 2738, 3682, 4107, 5523, 8214, 9583, 9731, 11046, 19166, 19462, 28749, 29193, 57498, 58386, 68117, 136234, 204351, 360047, 408702, 720094, 1080141, 2160282, 2520329, 5040658, 7560987, 15121974]

約数ペア:

[(1, 15121974), (2, 7560987), (3, 5040658), (6, 2520329), (7, 2160282), (14, 1080141), (21, 720094), (37, 408702), (42, 360047), (74, 204351), (111, 136234), (222, 68117), (259, 58386), (263, 57498), (518, 29193), (526, 28749), (777, 19462), (789, 19166), (1369, 11046), (1554, 9731), (1578, 9583), (1841, 8214), (2738, 5523), (3682, 4107)]