64564641

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 101580800

約数和(自身を除く): 37016159

約数列:

[1, 3, 9, 19, 27, 57, 127, 171, 381, 513, 991, 1143, 2413, 2973, 3429, 7239, 8919, 18829, 21717, 26757, 56487, 65151, 125857, 169461, 377571, 508383, 1132713, 2391283, 3398139, 7173849, 21521547, 64564641]

約数ペア:

[(1, 64564641), (3, 21521547), (9, 7173849), (19, 3398139), (27, 2391283), (57, 1132713), (127, 508383), (171, 377571), (381, 169461), (513, 125857), (991, 65151), (1143, 56487), (2413, 26757), (2973, 21717), (3429, 18829), (7239, 8919)]