254956611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 446227200

約数和(自身を除く): 191270589

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 199, 247, 273, 361, 399, 507, 597, 741, 1083, 1183, 1393, 1729, 2527, 2587, 3211, 3549, 3781, 4179, 4693, 5187, 7581, 7761, 9633, 11343, 14079, 18109, 22477, 26467, 32851, 33631, 49153, 54327, 61009, 67431, 71839, 79401, 98553, 100893, 147459, 183027, 215517, 235417, 344071, 427063, 502873, 638989, 706251, 933907, 1032213, 1281189, 1508619, 1916967, 2801721, 4472923, 6537349, 12140791, 13418769, 19612047, 36422373, 84985537, 254956611]

約数ペア:

[(1, 254956611), (3, 84985537), (7, 36422373), (13, 19612047), (19, 13418769), (21, 12140791), (39, 6537349), (57, 4472923), (91, 2801721), (133, 1916967), (169, 1508619), (199, 1281189), (247, 1032213), (273, 933907), (361, 706251), (399, 638989), (507, 502873), (597, 427063), (741, 344071), (1083, 235417), (1183, 215517), (1393, 183027), (1729, 147459), (2527, 100893), (2587, 98553), (3211, 79401), (3549, 71839), (3781, 67431), (4179, 61009), (4693, 54327), (5187, 49153), (7581, 33631), (7761, 32851), (9633, 26467), (11343, 22477), (14079, 18109)]