138721185

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 256089600

約数和(自身を除く): 117368415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 267, 285, 445, 801, 855, 1335, 1691, 1823, 4005, 5073, 5469, 8455, 9115, 15219, 16407, 25365, 27345, 34637, 76095, 82035, 103911, 162247, 173185, 311733, 486741, 519555, 811235, 1460223, 1558665, 2433705, 3082693, 7301115, 9248079, 15413465, 27744237, 46240395, 138721185]

約数ペア:

[(1, 138721185), (3, 46240395), (5, 27744237), (9, 15413465), (15, 9248079), (19, 7301115), (45, 3082693), (57, 2433705), (89, 1558665), (95, 1460223), (171, 811235), (267, 519555), (285, 486741), (445, 311733), (801, 173185), (855, 162247), (1335, 103911), (1691, 82035), (1823, 76095), (4005, 34637), (5073, 27345), (5469, 25365), (8455, 16407), (9115, 15219)]