72974217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 107633664

約数和(自身を除く): 34659447

約数列:

[1, 3, 17, 31, 51, 93, 101, 303, 457, 527, 1371, 1581, 1717, 3131, 5151, 7769, 9393, 14167, 23307, 42501, 46157, 53227, 138471, 159681, 240839, 722517, 784669, 1430867, 2354007, 4292601, 24324739, 72974217]

約数ペア:

[(1, 72974217), (3, 24324739), (17, 4292601), (31, 2354007), (51, 1430867), (93, 784669), (101, 722517), (303, 240839), (457, 159681), (527, 138471), (1371, 53227), (1581, 46157), (1717, 42501), (3131, 23307), (5151, 14167), (7769, 9393)]