71242983

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:655

約数の個数: 56

約数和(自身を含む): 127592448

約数和(自身を除く): 56349465

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 607, 621, 729, 1449, 1701, 1821, 1863, 4249, 4347, 5103, 5463, 5589, 12747, 13041, 13961, 16389, 16767, 38241, 39123, 41883, 49167, 97727, 114723, 117369, 125649, 147501, 293181, 344169, 376947, 442503, 879543, 1032507, 1130841, 2638629, 3097521, 3392523, 7915887, 10177569, 23747661, 71242983]

約数ペア:

[(1, 71242983), (3, 23747661), (7, 10177569), (9, 7915887), (21, 3392523), (23, 3097521), (27, 2638629), (63, 1130841), (69, 1032507), (81, 879543), (161, 442503), (189, 376947), (207, 344169), (243, 293181), (483, 147501), (567, 125649), (607, 117369), (621, 114723), (729, 97727), (1449, 49167), (1701, 41883), (1821, 39123), (1863, 38241), (4249, 16767), (4347, 16389), (5103, 13961), (5463, 13041), (5589, 12747)]