64480779

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 84

約数和(自身を含む): 115132248

約数和(自身を除く): 50651469

約数列:

[1, 3, 9, 11, 17, 27, 33, 43, 51, 81, 99, 121, 129, 153, 187, 243, 297, 363, 387, 459, 473, 561, 729, 731, 891, 1089, 1161, 1377, 1419, 1683, 2057, 2193, 2673, 3267, 3483, 4131, 4257, 5049, 5203, 6171, 6579, 8019, 8041, 9801, 10449, 12393, 12771, 15147, 15609, 18513, 19737, 24123, 29403, 31347, 38313, 45441, 46827, 55539, 59211, 72369, 88209, 88451, 114939, 136323, 140481, 166617, 177633, 217107, 265353, 344817, 421443, 499851, 532899, 651321, 796059, 1264329, 1499553, 1953963, 2388177, 3792987, 5861889, 7164531, 21493593, 64480779]

約数ペア:

[(1, 64480779), (3, 21493593), (9, 7164531), (11, 5861889), (17, 3792987), (27, 2388177), (33, 1953963), (43, 1499553), (51, 1264329), (81, 796059), (99, 651321), (121, 532899), (129, 499851), (153, 421443), (187, 344817), (243, 265353), (297, 217107), (363, 177633), (387, 166617), (459, 140481), (473, 136323), (561, 114939), (729, 88451), (731, 88209), (891, 72369), (1089, 59211), (1161, 55539), (1377, 46827), (1419, 45441), (1683, 38313), (2057, 31347), (2193, 29403), (2673, 24123), (3267, 19737), (3483, 18513), (4131, 15609), (4257, 15147), (5049, 12771), (5203, 12393), (6171, 10449), (6579, 9801), (8019, 8041)]