81421585

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 122110416

約数和(自身を除く): 40688831

約数列:

[1, 5, 7, 17, 35, 49, 85, 113, 119, 173, 245, 565, 595, 791, 833, 865, 1211, 1921, 2941, 3955, 4165, 5537, 6055, 8477, 9605, 13447, 14705, 19549, 20587, 27685, 42385, 67235, 94129, 97745, 102935, 136843, 144109, 332333, 470645, 684215, 720545, 957901, 1661665, 2326331, 4789505, 11631655, 16284317, 81421585]

約数ペア:

[(1, 81421585), (5, 16284317), (7, 11631655), (17, 4789505), (35, 2326331), (49, 1661665), (85, 957901), (113, 720545), (119, 684215), (173, 470645), (245, 332333), (565, 144109), (595, 136843), (791, 102935), (833, 97745), (865, 94129), (1211, 67235), (1921, 42385), (2941, 27685), (3955, 20587), (4165, 19549), (5537, 14705), (6055, 13447), (8477, 9605)]