200917575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{12577}}^1$

素因数の和:12664

約数の個数: 36

約数和(自身を含む): 364963248

約数和(自身を除く): 164045673

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 12577, 15975, 37731, 62885, 113193, 188655, 314425, 565965, 892967, 943275, 2678901, 2829825, 4464835, 8036703, 13394505, 22324175, 40183515, 66972525, 200917575]

約数ペア:

[(1, 200917575), (3, 66972525), (5, 40183515), (9, 22324175), (15, 13394505), (25, 8036703), (45, 4464835), (71, 2829825), (75, 2678901), (213, 943275), (225, 892967), (355, 565965), (639, 314425), (1065, 188655), (1775, 113193), (3195, 62885), (5325, 37731), (12577, 15975)]