131427275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 207367680

約数和(自身を除く): 75940405

約数列:

[1, 5, 7, 19, 25, 29, 35, 47, 95, 133, 145, 175, 203, 235, 329, 475, 551, 665, 725, 841, 893, 1015, 1175, 1363, 1645, 2755, 3325, 3857, 4205, 4465, 5075, 5887, 6251, 6815, 8225, 9541, 13775, 15979, 19285, 21025, 22325, 25897, 29435, 31255, 34075, 39527, 47705, 79895, 96425, 111853, 129485, 147175, 156275, 181279, 197635, 238525, 276689, 399475, 559265, 647425, 751013, 906395, 988175, 1383445, 2796325, 3755065, 4531975, 5257091, 6917225, 18775325, 26285455, 131427275]

約数ペア:

[(1, 131427275), (5, 26285455), (7, 18775325), (19, 6917225), (25, 5257091), (29, 4531975), (35, 3755065), (47, 2796325), (95, 1383445), (133, 988175), (145, 906395), (175, 751013), (203, 647425), (235, 559265), (329, 399475), (475, 276689), (551, 238525), (665, 197635), (725, 181279), (841, 156275), (893, 147175), (1015, 129485), (1175, 111853), (1363, 96425), (1645, 79895), (2755, 47705), (3325, 39527), (3857, 34075), (4205, 31255), (4465, 29435), (5075, 25897), (5887, 22325), (6251, 21025), (6815, 19285), (8225, 15979), (9541, 13775)]