201396987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 330670080

約数和(自身を除く): 129273093

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 137, 279, 341, 411, 479, 1023, 1233, 1437, 1507, 3069, 4247, 4311, 4521, 5269, 12741, 13563, 14849, 15807, 38223, 44547, 46717, 47421, 65623, 133641, 140151, 163339, 196869, 420453, 490017, 590607, 721853, 1470051, 2034313, 2165559, 6102939, 6496677, 18308817, 22377443, 67132329, 201396987]

約数ペア:

[(1, 201396987), (3, 67132329), (9, 22377443), (11, 18308817), (31, 6496677), (33, 6102939), (93, 2165559), (99, 2034313), (137, 1470051), (279, 721853), (341, 590607), (411, 490017), (479, 420453), (1023, 196869), (1233, 163339), (1437, 140151), (1507, 133641), (3069, 65623), (4247, 47421), (4311, 46717), (4521, 44547), (5269, 38223), (12741, 15807), (13563, 14849)]