819912321

素因数分解:

$3^3\times {\mathrm{47}}^2\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 1267531200

約数和(自身を除く): 447618879

約数列:

[1, 3, 9, 27, 47, 59, 141, 177, 233, 423, 531, 699, 1269, 1593, 2097, 2209, 2773, 6291, 6627, 8319, 10951, 13747, 19881, 24957, 32853, 41241, 59643, 74871, 98559, 123723, 130331, 295677, 371169, 390993, 514697, 646109, 1172979, 1544091, 1938327, 3518937, 4632273, 5814981, 13896819, 17444943, 30367123, 91101369, 273304107, 819912321]

約数ペア:

[(1, 819912321), (3, 273304107), (9, 91101369), (27, 30367123), (47, 17444943), (59, 13896819), (141, 5814981), (177, 4632273), (233, 3518937), (423, 1938327), (531, 1544091), (699, 1172979), (1269, 646109), (1593, 514697), (2097, 390993), (2209, 371169), (2773, 295677), (6291, 130331), (6627, 123723), (8319, 98559), (10951, 74871), (13747, 59643), (19881, 41241), (24957, 32853)]