1241487

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:162

約数の個数: 28

約数和(自身を含む): 2019864

約数和(自身を除く): 778377

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 243, 351, 393, 729, 1053, 1179, 1703, 3159, 3537, 5109, 9477, 10611, 15327, 31833, 45981, 95499, 137943, 413829, 1241487]

約数ペア:

[(1, 1241487), (3, 413829), (9, 137943), (13, 95499), (27, 45981), (39, 31833), (81, 15327), (117, 10611), (131, 9477), (243, 5109), (351, 3537), (393, 3159), (729, 1703), (1053, 1179)]