618398409

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 893206656

約数和(自身を除く): 274808247

約数列:

[1, 3, 17, 51, 67, 137, 201, 411, 1139, 1321, 2329, 3417, 3963, 6987, 9179, 22457, 27537, 67371, 88507, 156043, 180977, 265521, 468129, 542931, 1504619, 3076609, 4513857, 9229827, 12125459, 36376377, 206132803, 618398409]

約数ペア:

[(1, 618398409), (3, 206132803), (17, 36376377), (51, 12125459), (67, 9229827), (137, 4513857), (201, 3076609), (411, 1504619), (1139, 542931), (1321, 468129), (2329, 265521), (3417, 180977), (3963, 156043), (6987, 88507), (9179, 67371), (22457, 27537)]