13878315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 27950832

約数和(自身を除く): 14072517

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 53, 55, 69, 99, 115, 159, 165, 207, 253, 265, 345, 477, 495, 529, 583, 759, 795, 1035, 1219, 1265, 1587, 1749, 2277, 2385, 2645, 2915, 3657, 3795, 4761, 5247, 5819, 6095, 7935, 8745, 10971, 11385, 13409, 17457, 18285, 23805, 26235, 28037, 29095, 40227, 52371, 54855, 67045, 84111, 87285, 120681, 140185, 201135, 252333, 261855, 308407, 420555, 603405, 925221, 1261665, 1542035, 2775663, 4626105, 13878315]

約数ペア:

[(1, 13878315), (3, 4626105), (5, 2775663), (9, 1542035), (11, 1261665), (15, 925221), (23, 603405), (33, 420555), (45, 308407), (53, 261855), (55, 252333), (69, 201135), (99, 140185), (115, 120681), (159, 87285), (165, 84111), (207, 67045), (253, 54855), (265, 52371), (345, 40227), (477, 29095), (495, 28037), (529, 26235), (583, 23805), (759, 18285), (795, 17457), (1035, 13409), (1219, 11385), (1265, 10971), (1587, 8745), (1749, 7935), (2277, 6095), (2385, 5819), (2645, 5247), (2915, 4761), (3657, 3795)]