42001281

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 73872000

約数和(自身を除く): 31870719

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 599, 1113, 1323, 1431, 1797, 2597, 3339, 4193, 5391, 7791, 10017, 12579, 16173, 23373, 29351, 31747, 37737, 70119, 88053, 95241, 113211, 222229, 264159, 285723, 666687, 792477, 857169, 1555603, 2000061, 4666809, 6000183, 14000427, 42001281]

約数ペア:

[(1, 42001281), (3, 14000427), (7, 6000183), (9, 4666809), (21, 2000061), (27, 1555603), (49, 857169), (53, 792477), (63, 666687), (147, 285723), (159, 264159), (189, 222229), (371, 113211), (441, 95241), (477, 88053), (599, 70119), (1113, 37737), (1323, 31747), (1431, 29351), (1797, 23373), (2597, 16173), (3339, 12579), (4193, 10017), (5391, 7791)]