221752641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 362299392

約数和(自身を除く): 140546751

約数列:

[1, 3, 11, 17, 31, 33, 41, 51, 93, 123, 187, 311, 341, 451, 527, 561, 697, 933, 1023, 1271, 1353, 1581, 2091, 3421, 3813, 5287, 5797, 7667, 9641, 10263, 12751, 13981, 15861, 17391, 21607, 23001, 28923, 38253, 41943, 58157, 64821, 106051, 140261, 163897, 174471, 216767, 237677, 318153, 395281, 420783, 491691, 650301, 713031, 1185843, 1802867, 2384437, 4348091, 5408601, 6719777, 7153311, 13044273, 20159331, 73917547, 221752641]

約数ペア:

[(1, 221752641), (3, 73917547), (11, 20159331), (17, 13044273), (31, 7153311), (33, 6719777), (41, 5408601), (51, 4348091), (93, 2384437), (123, 1802867), (187, 1185843), (311, 713031), (341, 650301), (451, 491691), (527, 420783), (561, 395281), (697, 318153), (933, 237677), (1023, 216767), (1271, 174471), (1353, 163897), (1581, 140261), (2091, 106051), (3421, 64821), (3813, 58157), (5287, 41943), (5797, 38253), (7667, 28923), (9641, 23001), (10263, 21607), (12751, 17391), (13981, 15861)]