38142855

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 69750720

約数和(自身を除く): 31607865

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 137, 207, 269, 345, 411, 685, 807, 1035, 1233, 1345, 2055, 2421, 3151, 4035, 6165, 6187, 9453, 12105, 15755, 18561, 28359, 30935, 36853, 47265, 55683, 92805, 110559, 141795, 184265, 278415, 331677, 552795, 847619, 1658385, 2542857, 4238095, 7628571, 12714285, 38142855]

約数ペア:

[(1, 38142855), (3, 12714285), (5, 7628571), (9, 4238095), (15, 2542857), (23, 1658385), (45, 847619), (69, 552795), (115, 331677), (137, 278415), (207, 184265), (269, 141795), (345, 110559), (411, 92805), (685, 55683), (807, 47265), (1035, 36853), (1233, 30935), (1345, 28359), (2055, 18561), (2421, 15755), (3151, 12105), (4035, 9453), (6165, 6187)]