71281854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1621}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 177122400

約数和(自身を除く): 105840546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 349, 698, 1047, 1621, 2094, 2443, 3141, 3242, 4863, 4886, 6282, 7329, 9726, 11347, 14589, 14658, 21987, 22694, 29178, 34041, 43974, 68082, 102123, 204246, 565729, 1131458, 1697187, 3394374, 3960103, 5091561, 7920206, 10183122, 11880309, 23760618, 35640927, 71281854]

約数ペア:

[(1, 71281854), (2, 35640927), (3, 23760618), (6, 11880309), (7, 10183122), (9, 7920206), (14, 5091561), (18, 3960103), (21, 3394374), (42, 1697187), (63, 1131458), (126, 565729), (349, 204246), (698, 102123), (1047, 68082), (1621, 43974), (2094, 34041), (2443, 29178), (3141, 22694), (3242, 21987), (4863, 14658), (4886, 14589), (6282, 11347), (7329, 9726)]