42012705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21059}}^1$

素因数の和:21093

約数の個数: 32

約数和(自身を含む): 80870400

約数和(自身を除く): 38857695

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21059, 63177, 105295, 147413, 315885, 400121, 442239, 737065, 1200363, 2000605, 2211195, 2800847, 6001815, 8402541, 14004235, 42012705]

約数ペア:

[(1, 42012705), (3, 14004235), (5, 8402541), (7, 6001815), (15, 2800847), (19, 2211195), (21, 2000605), (35, 1200363), (57, 737065), (95, 442239), (105, 400121), (133, 315885), (285, 147413), (399, 105295), (665, 63177), (1995, 21059)]