201655395

素因数分解:

$3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6991}}^1$

素因数の和:7643

約数の個数: 24

約数和(自身を含む): 350131392

約数和(自身を除く): 148475997

約数列:

[1, 3, 5, 9, 15, 45, 641, 1923, 3205, 5769, 6991, 9615, 20973, 28845, 34955, 62919, 104865, 314595, 4481231, 13443693, 22406155, 40331079, 67218465, 201655395]

約数ペア:

[(1, 201655395), (3, 67218465), (5, 40331079), (9, 22406155), (15, 13443693), (45, 4481231), (641, 314595), (1923, 104865), (3205, 62919), (5769, 34955), (6991, 28845), (9615, 20973)]