31887405

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 30838995

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 109, 135, 165, 197, 297, 327, 495, 545, 591, 981, 985, 1199, 1485, 1635, 1773, 2167, 2943, 2955, 3597, 4905, 5319, 5995, 6501, 8865, 10791, 10835, 14715, 17985, 19503, 21473, 26595, 32373, 32505, 53955, 58509, 64419, 97515, 107365, 161865, 193257, 236203, 292545, 322095, 579771, 708609, 966285, 1181015, 2125827, 2898855, 3543045, 6377481, 10629135, 31887405]

約数ペア:

[(1, 31887405), (3, 10629135), (5, 6377481), (9, 3543045), (11, 2898855), (15, 2125827), (27, 1181015), (33, 966285), (45, 708609), (55, 579771), (99, 322095), (109, 292545), (135, 236203), (165, 193257), (197, 161865), (297, 107365), (327, 97515), (495, 64419), (545, 58509), (591, 53955), (981, 32505), (985, 32373), (1199, 26595), (1485, 21473), (1635, 19503), (1773, 17985), (2167, 14715), (2943, 10835), (2955, 10791), (3597, 8865), (4905, 6501), (5319, 5995)]