81682263

素因数分解:

$3^7\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 140515200

約数和(自身を除く): 58832937

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 169, 221, 243, 351, 459, 507, 663, 729, 1053, 1377, 1521, 1989, 2187, 2197, 2873, 3159, 4131, 4563, 5967, 6591, 8619, 9477, 12393, 13689, 17901, 19773, 25857, 28431, 37179, 37349, 41067, 53703, 59319, 77571, 112047, 123201, 161109, 177957, 232713, 336141, 369603, 483327, 533871, 698139, 1008423, 1601613, 2094417, 3025269, 4804839, 6283251, 9075807, 27227421, 81682263]

約数ペア:

[(1, 81682263), (3, 27227421), (9, 9075807), (13, 6283251), (17, 4804839), (27, 3025269), (39, 2094417), (51, 1601613), (81, 1008423), (117, 698139), (153, 533871), (169, 483327), (221, 369603), (243, 336141), (351, 232713), (459, 177957), (507, 161109), (663, 123201), (729, 112047), (1053, 77571), (1377, 59319), (1521, 53703), (1989, 41067), (2187, 37349), (2197, 37179), (2873, 28431), (3159, 25857), (4131, 19773), (4563, 17901), (5967, 13689), (6591, 12393), (8619, 9477)]