31509051

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 51302400

約数和(自身を除く): 19793349

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1669, 2697, 5007, 6293, 11683, 18879, 35049, 48401, 51739, 145203, 155217, 338807, 362173, 1016421, 1086519, 1500431, 4501293, 10503017, 31509051]

約数ペア:

[(1, 31509051), (3, 10503017), (7, 4501293), (21, 1500431), (29, 1086519), (31, 1016421), (87, 362173), (93, 338807), (203, 155217), (217, 145203), (609, 51739), (651, 48401), (899, 35049), (1669, 18879), (2697, 11683), (5007, 6293)]