7128275

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:81

約数の個数: 54

約数和(自身を含む): 11725812

約数和(自身を除く): 4597537

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 161, 175, 245, 253, 275, 385, 529, 539, 575, 805, 1127, 1225, 1265, 1771, 1925, 2645, 2695, 3703, 4025, 5635, 5819, 6325, 8855, 12397, 13225, 13475, 18515, 25921, 28175, 29095, 40733, 44275, 61985, 92575, 129605, 145475, 203665, 285131, 309925, 648025, 1018325, 1425655, 7128275]

約数ペア:

[(1, 7128275), (5, 1425655), (7, 1018325), (11, 648025), (23, 309925), (25, 285131), (35, 203665), (49, 145475), (55, 129605), (77, 92575), (115, 61985), (161, 44275), (175, 40733), (245, 29095), (253, 28175), (275, 25921), (385, 18515), (529, 13475), (539, 13225), (575, 12397), (805, 8855), (1127, 6325), (1225, 5819), (1265, 5635), (1771, 4025), (1925, 3703), (2645, 2695)]