2051208015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 3549795840

約数和(自身を除く): 1498587825

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 211, 255, 335, 569, 633, 1005, 1055, 1139, 1707, 2845, 3165, 3417, 3587, 5695, 8535, 9673, 10761, 14137, 17085, 17935, 29019, 38123, 42411, 48365, 53805, 70685, 114369, 120059, 145095, 190615, 212055, 240329, 360177, 571845, 600295, 648091, 720987, 1201645, 1800885, 1944273, 2041003, 3240455, 3604935, 6123009, 8043953, 9721365, 10205015, 24131859, 30615045, 40219765, 120659295, 136747201, 410241603, 683736005, 2051208015]

約数ペア:

[(1, 2051208015), (3, 683736005), (5, 410241603), (15, 136747201), (17, 120659295), (51, 40219765), (67, 30615045), (85, 24131859), (201, 10205015), (211, 9721365), (255, 8043953), (335, 6123009), (569, 3604935), (633, 3240455), (1005, 2041003), (1055, 1944273), (1139, 1800885), (1707, 1201645), (2845, 720987), (3165, 648091), (3417, 600295), (3587, 571845), (5695, 360177), (8535, 240329), (9673, 212055), (10761, 190615), (14137, 145095), (17085, 120059), (17935, 114369), (29019, 70685), (38123, 53805), (42411, 48365)]