65991681

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 36

約数和(自身を含む): 111730944

約数和(自身を除く): 45739263

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 991, 1057, 1359, 2973, 3171, 6937, 7399, 8919, 9513, 20811, 22197, 48559, 62433, 66591, 145677, 149641, 437031, 448923, 1047487, 1346769, 3142461, 7332409, 9427383, 21997227, 65991681]

約数ペア:

[(1, 65991681), (3, 21997227), (7, 9427383), (9, 7332409), (21, 3142461), (49, 1346769), (63, 1047487), (147, 448923), (151, 437031), (441, 149641), (453, 145677), (991, 66591), (1057, 62433), (1359, 48559), (2973, 22197), (3171, 20811), (6937, 9513), (7399, 8919)]