201087621

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 360659520

約数和(自身を除く): 159571899

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 103, 133, 147, 171, 233, 309, 399, 441, 699, 721, 927, 931, 1197, 1631, 1957, 2097, 2163, 2793, 4427, 4893, 5047, 5871, 6489, 8379, 11417, 13281, 13699, 14679, 15141, 17613, 23999, 30989, 34251, 39843, 41097, 45423, 71997, 92967, 95893, 102753, 123291, 167993, 215991, 216923, 278901, 287679, 455981, 503979, 650769, 863037, 1175951, 1367943, 1511937, 1952307, 3191867, 3527853, 4103829, 9575601, 10583559, 22343069, 28726803, 67029207, 201087621]

約数ペア:

[(1, 201087621), (3, 67029207), (7, 28726803), (9, 22343069), (19, 10583559), (21, 9575601), (49, 4103829), (57, 3527853), (63, 3191867), (103, 1952307), (133, 1511937), (147, 1367943), (171, 1175951), (233, 863037), (309, 650769), (399, 503979), (441, 455981), (699, 287679), (721, 278901), (927, 216923), (931, 215991), (1197, 167993), (1631, 123291), (1957, 102753), (2097, 95893), (2163, 92967), (2793, 71997), (4427, 45423), (4893, 41097), (5047, 39843), (5871, 34251), (6489, 30989), (8379, 23999), (11417, 17613), (13281, 15141), (13699, 14679)]