189631989

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1181}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 296918400

約数和(自身を除く): 107286411

約数列:

[1, 3, 9, 19, 27, 57, 171, 313, 513, 939, 1181, 2817, 3543, 5947, 8451, 10629, 17841, 22439, 31887, 53523, 67317, 160569, 201951, 369653, 605853, 1108959, 3326877, 7023407, 9980631, 21070221, 63210663, 189631989]

約数ペア:

[(1, 189631989), (3, 63210663), (9, 21070221), (19, 9980631), (27, 7023407), (57, 3326877), (171, 1108959), (313, 605853), (513, 369653), (939, 201951), (1181, 160569), (2817, 67317), (3543, 53523), (5947, 31887), (8451, 22439), (10629, 17841)]