31358019

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 24675261

約数列:

[1, 3, 7, 11, 21, 29, 31, 33, 77, 87, 93, 151, 203, 217, 231, 319, 341, 453, 609, 651, 899, 957, 1023, 1057, 1661, 2233, 2387, 2697, 3171, 4379, 4681, 4983, 6293, 6699, 7161, 9889, 11627, 13137, 14043, 18879, 29667, 30653, 32767, 34881, 48169, 51491, 69223, 91959, 98301, 135749, 144507, 154473, 207669, 337183, 360437, 407247, 950243, 1011549, 1081311, 1493239, 2850729, 4479717, 10452673, 31358019]

約数ペア:

[(1, 31358019), (3, 10452673), (7, 4479717), (11, 2850729), (21, 1493239), (29, 1081311), (31, 1011549), (33, 950243), (77, 407247), (87, 360437), (93, 337183), (151, 207669), (203, 154473), (217, 144507), (231, 135749), (319, 98301), (341, 91959), (453, 69223), (609, 51491), (651, 48169), (899, 34881), (957, 32767), (1023, 30653), (1057, 29667), (1661, 18879), (2233, 14043), (2387, 13137), (2697, 11627), (3171, 9889), (4379, 7161), (4681, 6699), (4983, 6293)]