213899997

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 302185728

約数和(自身を除く): 88285731

約数列:

[1, 3, 37, 53, 103, 111, 159, 309, 353, 1059, 1961, 3811, 5459, 5883, 11433, 13061, 16377, 18709, 36359, 39183, 56127, 109077, 201983, 605949, 692233, 1345283, 1927027, 2076699, 4035849, 5781081, 71299999, 213899997]

約数ペア:

[(1, 213899997), (3, 71299999), (37, 5781081), (53, 4035849), (103, 2076699), (111, 1927027), (159, 1345283), (309, 692233), (353, 605949), (1059, 201983), (1961, 109077), (3811, 56127), (5459, 39183), (5883, 36359), (11433, 18709), (13061, 16377)]