291246278409

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1\times {\mathrm{14423}}^1$

素因数の和:15078

約数の個数: 48

約数和(自身を含む): 438004030464

約数和(自身を除く): 146757752055

約数列:

[1, 3, 9, 31, 93, 157, 279, 461, 471, 1383, 1413, 4149, 4867, 14291, 14423, 14601, 42873, 43269, 43803, 72377, 128619, 129807, 217131, 447113, 651393, 1341339, 2243687, 2264411, 4024017, 6649003, 6731061, 6793233, 19947009, 20193183, 20379699, 59841027, 70196741, 206119093, 210590223, 618357279, 631770669, 1043893471, 1855071837, 3131680413, 9395041239, 32360697601, 97082092803, 291246278409]

約数ペア:

[(1, 291246278409), (3, 97082092803), (9, 32360697601), (31, 9395041239), (93, 3131680413), (157, 1855071837), (279, 1043893471), (461, 631770669), (471, 618357279), (1383, 210590223), (1413, 206119093), (4149, 70196741), (4867, 59841027), (14291, 20379699), (14423, 20193183), (14601, 19947009), (42873, 6793233), (43269, 6731061), (43803, 6649003), (72377, 4024017), (128619, 2264411), (129807, 2243687), (217131, 1341339), (447113, 651393)]