1640971575

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127951}}^1$

素因数の和:127989

約数の個数: 48

約数和(自身を含む): 3173209600

約数和(自身を除く): 1532238025

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 12825, 127951, 383853, 639755, 1151559, 1919265, 2431069, 3198775, 3454677, 5757795, 7293207, 9596325, 12155345, 17273385, 21879621, 28788975, 36466035, 60776725, 65638863, 86366925, 109398105, 182330175, 328194315, 546990525, 1640971575]

約数ペア:

[(1, 1640971575), (3, 546990525), (5, 328194315), (9, 182330175), (15, 109398105), (19, 86366925), (25, 65638863), (27, 60776725), (45, 36466035), (57, 28788975), (75, 21879621), (95, 17273385), (135, 12155345), (171, 9596325), (225, 7293207), (285, 5757795), (475, 3454677), (513, 3198775), (675, 2431069), (855, 1919265), (1425, 1151559), (2565, 639755), (4275, 383853), (12825, 127951)]