80572947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 135203328

約数和(自身を除く): 54630381

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 169, 219, 273, 311, 507, 511, 933, 949, 1183, 1533, 2177, 2847, 3549, 4043, 6531, 6643, 12129, 12337, 19929, 22703, 28301, 37011, 52559, 68109, 84903, 86359, 157677, 158921, 259077, 295139, 367913, 476763, 885417, 1103739, 2065973, 3836807, 6197919, 11510421, 26857649, 80572947]

約数ペア:

[(1, 80572947), (3, 26857649), (7, 11510421), (13, 6197919), (21, 3836807), (39, 2065973), (73, 1103739), (91, 885417), (169, 476763), (219, 367913), (273, 295139), (311, 259077), (507, 158921), (511, 157677), (933, 86359), (949, 84903), (1183, 68109), (1533, 52559), (2177, 37011), (2847, 28301), (3549, 22703), (4043, 19929), (6531, 12337), (6643, 12129)]