1245825

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 2618694

約数和(自身を除く): 1372869

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 113, 147, 175, 225, 245, 315, 339, 441, 525, 565, 735, 791, 1017, 1225, 1575, 1695, 2205, 2373, 2825, 3675, 3955, 5085, 5537, 7119, 8475, 11025, 11865, 16611, 19775, 25425, 27685, 35595, 49833, 59325, 83055, 138425, 177975, 249165, 415275, 1245825]

約数ペア:

[(1, 1245825), (3, 415275), (5, 249165), (7, 177975), (9, 138425), (15, 83055), (21, 59325), (25, 49833), (35, 35595), (45, 27685), (49, 25425), (63, 19775), (75, 16611), (105, 11865), (113, 11025), (147, 8475), (175, 7119), (225, 5537), (245, 5085), (315, 3955), (339, 3675), (441, 2825), (525, 2373), (565, 2205), (735, 1695), (791, 1575), (1017, 1225)]