1640230857

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{991}}^1\times {\mathrm{1039}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 2476032000

約数和(自身を除く): 835801143

約数列:

[1, 3, 9, 27, 59, 177, 531, 991, 1039, 1593, 2973, 3117, 8919, 9351, 26757, 28053, 58469, 61301, 175407, 183903, 526221, 551709, 1029649, 1578663, 1655127, 3088947, 9266841, 27800523, 60749291, 182247873, 546743619, 1640230857]

約数ペア:

[(1, 1640230857), (3, 546743619), (9, 182247873), (27, 60749291), (59, 27800523), (177, 9266841), (531, 3088947), (991, 1655127), (1039, 1578663), (1593, 1029649), (2973, 551709), (3117, 526221), (8919, 183903), (9351, 175407), (26757, 61301), (28053, 58469)]