256854015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 503828208

約数和(自身を除く): 246974193

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 617, 841, 957, 1305, 1595, 1851, 2523, 2871, 3085, 4205, 4785, 5553, 6787, 7569, 9251, 9255, 12615, 14355, 17893, 20361, 27753, 27765, 33935, 37845, 46255, 53679, 61083, 83259, 89465, 101805, 138765, 161037, 196823, 268395, 305415, 416295, 518897, 590469, 805185, 984115, 1556691, 1771407, 2594485, 2952345, 4670073, 5707867, 7783455, 8857035, 17123601, 23350365, 28539335, 51370803, 85618005, 256854015]

約数ペア:

[(1, 256854015), (3, 85618005), (5, 51370803), (9, 28539335), (11, 23350365), (15, 17123601), (29, 8857035), (33, 7783455), (45, 5707867), (55, 4670073), (87, 2952345), (99, 2594485), (145, 1771407), (165, 1556691), (261, 984115), (319, 805185), (435, 590469), (495, 518897), (617, 416295), (841, 305415), (957, 268395), (1305, 196823), (1595, 161037), (1851, 138765), (2523, 101805), (2871, 89465), (3085, 83259), (4205, 61083), (4785, 53679), (5553, 46255), (6787, 37845), (7569, 33935), (9251, 27765), (9255, 27753), (12615, 20361), (14355, 17893)]