90702981

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 50820219

約数列:

[1, 3, 9, 29, 53, 79, 83, 87, 159, 237, 249, 261, 477, 711, 747, 1537, 2291, 2407, 4187, 4399, 4611, 6557, 6873, 7221, 12561, 13197, 13833, 19671, 20619, 21663, 37683, 39591, 59013, 121423, 127571, 190153, 347521, 364269, 382713, 570459, 1042563, 1092807, 1148139, 1711377, 3127689, 10078109, 30234327, 90702981]

約数ペア:

[(1, 90702981), (3, 30234327), (9, 10078109), (29, 3127689), (53, 1711377), (79, 1148139), (83, 1092807), (87, 1042563), (159, 570459), (237, 382713), (249, 364269), (261, 347521), (477, 190153), (711, 127571), (747, 121423), (1537, 59013), (2291, 39591), (2407, 37683), (4187, 21663), (4399, 20619), (4611, 19671), (6557, 13833), (6873, 13197), (7221, 12561)]