12947727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 20079360

約数和(自身を除く): 7131633

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 331, 663, 767, 993, 1003, 2301, 3009, 4303, 5627, 12909, 13039, 16881, 19529, 39117, 58587, 73151, 219453, 253877, 331993, 761631, 995979, 4315909, 12947727]

約数ペア:

[(1, 12947727), (3, 4315909), (13, 995979), (17, 761631), (39, 331993), (51, 253877), (59, 219453), (177, 73151), (221, 58587), (331, 39117), (663, 19529), (767, 16881), (993, 13039), (1003, 12909), (2301, 5627), (3009, 4303)]