81227412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3323}}^1$

素因数の和:3437

約数の個数: 72

約数和(自身を含む): 237147456

約数和(自身を除く): 155920044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3323, 3492, 4074, 6111, 6646, 8148, 9969, 12222, 13292, 19938, 23261, 24444, 29907, 39876, 46522, 59814, 69783, 93044, 119628, 139566, 209349, 279132, 322331, 418698, 644662, 837396, 966993, 1289324, 1933986, 2256317, 2900979, 3867972, 4512634, 5801958, 6768951, 9025268, 11603916, 13537902, 20306853, 27075804, 40613706, 81227412]

約数ペア:

[(1, 81227412), (2, 40613706), (3, 27075804), (4, 20306853), (6, 13537902), (7, 11603916), (9, 9025268), (12, 6768951), (14, 5801958), (18, 4512634), (21, 3867972), (28, 2900979), (36, 2256317), (42, 1933986), (63, 1289324), (84, 966993), (97, 837396), (126, 644662), (194, 418698), (252, 322331), (291, 279132), (388, 209349), (582, 139566), (679, 119628), (873, 93044), (1164, 69783), (1358, 59814), (1746, 46522), (2037, 39876), (2716, 29907), (3323, 24444), (3492, 23261), (4074, 19938), (6111, 13292), (6646, 12222), (8148, 9969)]