38640015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 72209280

約数和(自身を除く): 33569265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1051, 1935, 2451, 3153, 4085, 5255, 7353, 9459, 12255, 15765, 19969, 36765, 45193, 47295, 59907, 99845, 135579, 179721, 225965, 299535, 406737, 677895, 858667, 898605, 2033685, 2576001, 4293335, 7728003, 12880005, 38640015]

約数ペア:

[(1, 38640015), (3, 12880005), (5, 7728003), (9, 4293335), (15, 2576001), (19, 2033685), (43, 898605), (45, 858667), (57, 677895), (95, 406737), (129, 299535), (171, 225965), (215, 179721), (285, 135579), (387, 99845), (645, 59907), (817, 47295), (855, 45193), (1051, 36765), (1935, 19969), (2451, 15765), (3153, 12255), (4085, 9459), (5255, 7353)]