1293886251

素因数分解:

$3^3\times 7^1\times {\mathrm{6845959}}^1$

素因数の和:6845975

約数の個数: 16

約数和(自身を含む): 2190707200

約数和(自身を除く): 896820949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6845959, 20537877, 47921713, 61613631, 143765139, 184840893, 431295417, 1293886251]

約数ペア:

[(1, 1293886251), (3, 431295417), (7, 184840893), (9, 143765139), (21, 61613631), (27, 47921713), (63, 20537877), (189, 6845959)]