291687318

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3291

約数の個数: 80

約数和(自身を含む): 720464976

約数和(自身を除く): 428777658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 81, 86, 117, 129, 162, 234, 258, 351, 387, 559, 702, 774, 1053, 1118, 1161, 1677, 2106, 2322, 3221, 3354, 3483, 5031, 6442, 6966, 9663, 10062, 15093, 19326, 28989, 30186, 41873, 45279, 57978, 83746, 86967, 90558, 125619, 138503, 173934, 251238, 260901, 277006, 376857, 415509, 521802, 753714, 831018, 1130571, 1246527, 1800539, 2261142, 2493054, 3391713, 3601078, 3739581, 5401617, 6783426, 7479162, 10803234, 11218743, 16204851, 22437486, 32409702, 48614553, 97229106, 145843659, 291687318]

約数ペア:

[(1, 291687318), (2, 145843659), (3, 97229106), (6, 48614553), (9, 32409702), (13, 22437486), (18, 16204851), (26, 11218743), (27, 10803234), (39, 7479162), (43, 6783426), (54, 5401617), (78, 3739581), (81, 3601078), (86, 3391713), (117, 2493054), (129, 2261142), (162, 1800539), (234, 1246527), (258, 1130571), (351, 831018), (387, 753714), (559, 521802), (702, 415509), (774, 376857), (1053, 277006), (1118, 260901), (1161, 251238), (1677, 173934), (2106, 138503), (2322, 125619), (3221, 90558), (3354, 86967), (3483, 83746), (5031, 57978), (6442, 45279), (6966, 41873), (9663, 30186), (10062, 28989), (15093, 19326)]