15002001

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 26557440

約数和(自身を除く): 11555439

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 151, 171, 249, 399, 453, 581, 747, 1057, 1197, 1359, 1577, 1743, 2869, 3171, 4731, 5229, 8607, 9513, 11039, 12533, 14193, 20083, 25821, 33117, 37599, 60249, 87731, 99351, 112797, 180747, 238127, 263193, 714381, 789579, 1666889, 2143143, 5000667, 15002001]

約数ペア:

[(1, 15002001), (3, 5000667), (7, 2143143), (9, 1666889), (19, 789579), (21, 714381), (57, 263193), (63, 238127), (83, 180747), (133, 112797), (151, 99351), (171, 87731), (249, 60249), (399, 37599), (453, 33117), (581, 25821), (747, 20083), (1057, 14193), (1197, 12533), (1359, 11039), (1577, 9513), (1743, 8607), (2869, 5229), (3171, 4731)]