520028397

素因数分解:

$3^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{6211}}^1$

素因数の和:6670

約数の個数: 32

約数和(自身を含む): 882600960

約数和(自身を除く): 362572563

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 443, 1329, 3101, 3987, 6211, 9303, 11961, 18633, 27909, 43477, 55899, 83727, 130431, 167697, 391293, 1173879, 2751473, 8254419, 19260311, 24763257, 57780933, 74289771, 173342799, 520028397]

約数ペア:

[(1, 520028397), (3, 173342799), (7, 74289771), (9, 57780933), (21, 24763257), (27, 19260311), (63, 8254419), (189, 2751473), (443, 1173879), (1329, 391293), (3101, 167697), (3987, 130431), (6211, 83727), (9303, 55899), (11961, 43477), (18633, 27909)]