71303841

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 129024000

約数和(自身を除く): 57720159

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 141, 161, 189, 207, 329, 349, 423, 483, 621, 987, 1047, 1081, 1269, 1449, 2443, 2961, 3141, 3243, 4347, 7329, 7567, 8027, 8883, 9423, 9729, 16403, 21987, 22701, 24081, 29187, 49209, 56189, 65961, 68103, 72243, 114821, 147627, 168567, 204309, 216729, 344463, 377269, 442881, 505701, 1033389, 1131807, 1517103, 2640883, 3100167, 3395421, 7922649, 10186263, 23767947, 71303841]

約数ペア:

[(1, 71303841), (3, 23767947), (7, 10186263), (9, 7922649), (21, 3395421), (23, 3100167), (27, 2640883), (47, 1517103), (63, 1131807), (69, 1033389), (141, 505701), (161, 442881), (189, 377269), (207, 344463), (329, 216729), (349, 204309), (423, 168567), (483, 147627), (621, 114821), (987, 72243), (1047, 68103), (1081, 65961), (1269, 56189), (1449, 49209), (2443, 29187), (2961, 24081), (3141, 22701), (3243, 21987), (4347, 16403), (7329, 9729), (7567, 9423), (8027, 8883)]