538647543

素因数分解:

$3^3\times 7^5\times {\mathrm{1187}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 931772160

約数和(自身を除く): 393124617

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1187, 1323, 2401, 3087, 3561, 7203, 8309, 9261, 10683, 16807, 21609, 24927, 32049, 50421, 58163, 64827, 74781, 151263, 174489, 224343, 407141, 453789, 523467, 1221423, 1570401, 2849987, 3664269, 8549961, 10992807, 19949909, 25649883, 59849727, 76949649, 179549181, 538647543]

約数ペア:

[(1, 538647543), (3, 179549181), (7, 76949649), (9, 59849727), (21, 25649883), (27, 19949909), (49, 10992807), (63, 8549961), (147, 3664269), (189, 2849987), (343, 1570401), (441, 1221423), (1029, 523467), (1187, 453789), (1323, 407141), (2401, 224343), (3087, 174489), (3561, 151263), (7203, 74781), (8309, 64827), (9261, 58163), (10683, 50421), (16807, 32049), (21609, 24927)]