218120445

素因数分解:

$3^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 402693720

約数和(自身を除く): 184573275

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 109, 135, 183, 243, 305, 327, 405, 545, 549, 729, 915, 981, 1215, 1635, 1647, 2187, 2745, 2943, 3645, 4905, 4941, 6561, 6649, 8235, 8829, 10935, 14715, 14823, 19947, 24705, 26487, 32805, 33245, 44145, 44469, 59841, 74115, 79461, 99735, 132435, 133407, 179523, 222345, 238383, 299205, 397305, 400221, 538569, 667035, 715149, 897615, 1191915, 1615707, 2001105, 2692845, 3575745, 4847121, 8078535, 14541363, 24235605, 43624089, 72706815, 218120445]

約数ペア:

[(1, 218120445), (3, 72706815), (5, 43624089), (9, 24235605), (15, 14541363), (27, 8078535), (45, 4847121), (61, 3575745), (81, 2692845), (109, 2001105), (135, 1615707), (183, 1191915), (243, 897615), (305, 715149), (327, 667035), (405, 538569), (545, 400221), (549, 397305), (729, 299205), (915, 238383), (981, 222345), (1215, 179523), (1635, 133407), (1647, 132435), (2187, 99735), (2745, 79461), (2943, 74115), (3645, 59841), (4905, 44469), (4941, 44145), (6561, 33245), (6649, 32805), (8235, 26487), (8829, 24705), (10935, 19947), (14715, 14823)]