39978711

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 60825600

約数和(自身を除く): 20846889

約数列:

[1, 3, 9, 27, 89, 127, 131, 267, 381, 393, 801, 1143, 1179, 2403, 3429, 3537, 11303, 11659, 16637, 33909, 34977, 49911, 101727, 104931, 149733, 305181, 314793, 449199, 1480693, 4442079, 13326237, 39978711]

約数ペア:

[(1, 39978711), (3, 13326237), (9, 4442079), (27, 1480693), (89, 449199), (127, 314793), (131, 305181), (267, 149733), (381, 104931), (393, 101727), (801, 49911), (1143, 34977), (1179, 33909), (2403, 16637), (3429, 11659), (3537, 11303)]