201612321

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{85829}}^1$

素因数の和:85870

約数の個数: 20

約数和(自身を含む): 311562900

約数和(自身を除く): 109950579

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 85829, 257487, 772461, 2317383, 2489041, 6952149, 7467123, 22401369, 67204107, 201612321]

約数ペア:

[(1, 201612321), (3, 67204107), (9, 22401369), (27, 7467123), (29, 6952149), (81, 2489041), (87, 2317383), (261, 772461), (783, 257487), (2349, 85829)]