218392503

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 341329920

約数和(自身を除く): 122937417

約数列:

[1, 3, 7, 21, 47, 141, 329, 409, 541, 987, 1227, 1623, 2863, 3787, 8589, 11361, 19223, 25427, 57669, 76281, 134561, 177989, 221269, 403683, 533967, 663807, 1548883, 4646649, 10399643, 31198929, 72797501, 218392503]

約数ペア:

[(1, 218392503), (3, 72797501), (7, 31198929), (21, 10399643), (47, 4646649), (141, 1548883), (329, 663807), (409, 533967), (541, 403683), (987, 221269), (1227, 177989), (1623, 134561), (2863, 76281), (3787, 57669), (8589, 25427), (11361, 19223)]