64640079

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2693}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 110346240

約数和(自身を除く): 45706161

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 2693, 3429, 8001, 8079, 18851, 24003, 24237, 56553, 72711, 169659, 342011, 508977, 1026033, 2394077, 3078099, 7182231, 9234297, 21546693, 64640079]

約数ペア:

[(1, 64640079), (3, 21546693), (7, 9234297), (9, 7182231), (21, 3078099), (27, 2394077), (63, 1026033), (127, 508977), (189, 342011), (381, 169659), (889, 72711), (1143, 56553), (2667, 24237), (2693, 24003), (3429, 18851), (8001, 8079)]