65587725

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 90

約数和(自身を含む): 141540234

約数和(自身を除く): 75952509

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 245, 315, 405, 441, 525, 567, 661, 675, 735, 945, 1225, 1323, 1575, 1983, 2025, 2205, 2835, 3305, 3675, 3969, 4627, 4725, 5949, 6615, 9915, 11025, 13881, 14175, 16525, 17847, 19845, 23135, 29745, 32389, 33075, 41643, 49575, 53541, 69405, 89235, 97167, 99225, 115675, 124929, 148725, 161945, 208215, 267705, 291501, 347025, 374787, 446175, 485835, 624645, 809725, 874503, 1041075, 1338525, 1457505, 1873935, 2429175, 2623509, 3123225, 4372515, 7287525, 9369675, 13117545, 21862575, 65587725]

約数ペア:

[(1, 65587725), (3, 21862575), (5, 13117545), (7, 9369675), (9, 7287525), (15, 4372515), (21, 3123225), (25, 2623509), (27, 2429175), (35, 1873935), (45, 1457505), (49, 1338525), (63, 1041075), (75, 874503), (81, 809725), (105, 624645), (135, 485835), (147, 446175), (175, 374787), (189, 347025), (225, 291501), (245, 267705), (315, 208215), (405, 161945), (441, 148725), (525, 124929), (567, 115675), (661, 99225), (675, 97167), (735, 89235), (945, 69405), (1225, 53541), (1323, 49575), (1575, 41643), (1983, 33075), (2025, 32389), (2205, 29745), (2835, 23135), (3305, 19845), (3675, 17847), (3969, 16525), (4627, 14175), (4725, 13881), (5949, 11025), (6615, 9915)]