158897361

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 261785600

約数和(自身を除く): 102888239

約数列:

[1, 3, 7, 19, 21, 57, 71, 79, 133, 213, 237, 399, 497, 553, 1349, 1491, 1501, 1659, 4047, 4503, 5041, 5609, 9443, 10507, 15123, 16827, 28329, 31521, 35287, 39263, 95779, 105861, 106571, 117789, 287337, 319713, 398239, 670453, 745997, 1194717, 2011359, 2237991, 2787673, 7566541, 8363019, 22699623, 52965787, 158897361]

約数ペア:

[(1, 158897361), (3, 52965787), (7, 22699623), (19, 8363019), (21, 7566541), (57, 2787673), (71, 2237991), (79, 2011359), (133, 1194717), (213, 745997), (237, 670453), (399, 398239), (497, 319713), (553, 287337), (1349, 117789), (1491, 106571), (1501, 105861), (1659, 95779), (4047, 39263), (4503, 35287), (5041, 31521), (5609, 28329), (9443, 16827), (10507, 15123)]