71889651

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 118609920

約数和(自身を除く): 46720269

約数列:

[1, 3, 9, 17, 23, 31, 51, 69, 93, 153, 207, 279, 391, 527, 659, 713, 1173, 1581, 1977, 2139, 3519, 4743, 5931, 6417, 11203, 12121, 15157, 20429, 33609, 36363, 45471, 61287, 100827, 109089, 136413, 183861, 257669, 347293, 469867, 773007, 1041879, 1409601, 2319021, 3125637, 4228803, 7987739, 23963217, 71889651]

約数ペア:

[(1, 71889651), (3, 23963217), (9, 7987739), (17, 4228803), (23, 3125637), (31, 2319021), (51, 1409601), (69, 1041879), (93, 773007), (153, 469867), (207, 347293), (279, 257669), (391, 183861), (527, 136413), (659, 109089), (713, 100827), (1173, 61287), (1581, 45471), (1977, 36363), (2139, 33609), (3519, 20429), (4743, 15157), (5931, 12121), (6417, 11203)]