74470137

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 116785152

約数和(自身を除く): 42315015

約数列:

[1, 3, 7, 21, 47, 141, 197, 329, 383, 591, 987, 1149, 1379, 2681, 4137, 8043, 9259, 18001, 27777, 54003, 64813, 75451, 126007, 194439, 226353, 378021, 528157, 1584471, 3546197, 10638591, 24823379, 74470137]

約数ペア:

[(1, 74470137), (3, 24823379), (7, 10638591), (21, 3546197), (47, 1584471), (141, 528157), (197, 378021), (329, 226353), (383, 194439), (591, 126007), (987, 75451), (1149, 64813), (1379, 54003), (2681, 27777), (4137, 18001), (8043, 9259)]