17873865

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 32917248

約数和(自身を除く): 15043383

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 313, 405, 423, 705, 939, 1215, 1269, 1565, 2115, 2817, 3807, 4695, 6345, 8451, 11421, 14085, 14711, 19035, 25353, 42255, 44133, 57105, 73555, 76059, 126765, 132399, 220665, 380295, 397197, 661995, 1191591, 1985985, 3574773, 5957955, 17873865]

約数ペア:

[(1, 17873865), (3, 5957955), (5, 3574773), (9, 1985985), (15, 1191591), (27, 661995), (45, 397197), (47, 380295), (81, 220665), (135, 132399), (141, 126765), (235, 76059), (243, 73555), (313, 57105), (405, 44133), (423, 42255), (705, 25353), (939, 19035), (1215, 14711), (1269, 14085), (1565, 11421), (2115, 8451), (2817, 6345), (3807, 4695)]