281796255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 553722624

約数和(自身を除く): 271926369

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 47, 65, 111, 117, 141, 185, 195, 235, 277, 333, 423, 481, 555, 585, 611, 705, 831, 1385, 1443, 1665, 1739, 1833, 2115, 2405, 2493, 3055, 3601, 4155, 4329, 5217, 5499, 7215, 8695, 9165, 10249, 10803, 12465, 13019, 15651, 18005, 21645, 22607, 26085, 27495, 30747, 32409, 39057, 51245, 54015, 65095, 67821, 78255, 92241, 113035, 117171, 133237, 153735, 162045, 169247, 195285, 203463, 339105, 399711, 461205, 481703, 507741, 585855, 666185, 846235, 1017315, 1199133, 1445109, 1523223, 1998555, 2408515, 2538705, 4335327, 5995665, 6262139, 7225545, 7616115, 18786417, 21676635, 31310695, 56359251, 93932085, 281796255]

約数ペア:

[(1, 281796255), (3, 93932085), (5, 56359251), (9, 31310695), (13, 21676635), (15, 18786417), (37, 7616115), (39, 7225545), (45, 6262139), (47, 5995665), (65, 4335327), (111, 2538705), (117, 2408515), (141, 1998555), (185, 1523223), (195, 1445109), (235, 1199133), (277, 1017315), (333, 846235), (423, 666185), (481, 585855), (555, 507741), (585, 481703), (611, 461205), (705, 399711), (831, 339105), (1385, 203463), (1443, 195285), (1665, 169247), (1739, 162045), (1833, 153735), (2115, 133237), (2405, 117171), (2493, 113035), (3055, 92241), (3601, 78255), (4155, 67821), (4329, 65095), (5217, 54015), (5499, 51245), (7215, 39057), (8695, 32409), (9165, 30747), (10249, 27495), (10803, 26085), (12465, 22607), (13019, 21645), (15651, 18005)]