28961793

素因数分解:

$3^4\times 7^2\times {\mathrm{7297}}^1$

素因数の和:7323

約数の個数: 30

約数和(自身を含む): 50334306

約数和(自身を除く): 21372513

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7297, 21891, 51079, 65673, 153237, 197019, 357553, 459711, 591057, 1072659, 1379133, 3217977, 4137399, 9653931, 28961793]

約数ペア:

[(1, 28961793), (3, 9653931), (7, 4137399), (9, 3217977), (21, 1379133), (27, 1072659), (49, 591057), (63, 459711), (81, 357553), (147, 197019), (189, 153237), (441, 65673), (567, 51079), (1323, 21891), (3969, 7297)]