67804905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 131678208

約数和(自身を除く): 63873303

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 93, 105, 111, 155, 185, 217, 259, 465, 555, 563, 651, 777, 1085, 1147, 1295, 1689, 2815, 3255, 3441, 3885, 3941, 5735, 8029, 8445, 11823, 17205, 17453, 19705, 20831, 24087, 40145, 52359, 59115, 62493, 87265, 104155, 120435, 122171, 145817, 261795, 312465, 366513, 437451, 610855, 645761, 729085, 1832565, 1937283, 2187255, 3228805, 4520327, 9686415, 13560981, 22601635, 67804905]

約数ペア:

[(1, 67804905), (3, 22601635), (5, 13560981), (7, 9686415), (15, 4520327), (21, 3228805), (31, 2187255), (35, 1937283), (37, 1832565), (93, 729085), (105, 645761), (111, 610855), (155, 437451), (185, 366513), (217, 312465), (259, 261795), (465, 145817), (555, 122171), (563, 120435), (651, 104155), (777, 87265), (1085, 62493), (1147, 59115), (1295, 52359), (1689, 40145), (2815, 24087), (3255, 20831), (3441, 19705), (3885, 17453), (3941, 17205), (5735, 11823), (8029, 8445)]