209250855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5351}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 400757760

約数和(自身を除く): 191506905

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 79, 99, 165, 237, 395, 495, 711, 869, 1185, 2607, 3555, 4345, 5351, 7821, 13035, 16053, 26755, 39105, 48159, 58861, 80265, 176583, 240795, 294305, 422729, 529749, 882915, 1268187, 2113645, 2648745, 3804561, 4650019, 6340935, 13950057, 19022805, 23250095, 41850171, 69750285, 209250855]

約数ペア:

[(1, 209250855), (3, 69750285), (5, 41850171), (9, 23250095), (11, 19022805), (15, 13950057), (33, 6340935), (45, 4650019), (55, 3804561), (79, 2648745), (99, 2113645), (165, 1268187), (237, 882915), (395, 529749), (495, 422729), (711, 294305), (869, 240795), (1185, 176583), (2607, 80265), (3555, 58861), (4345, 48159), (5351, 39105), (7821, 26755), (13035, 16053)]