258975927

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3293

約数の個数: 48

約数和(自身を含む): 453765600

約数和(自身を除く): 194789673

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 1281, 1323, 1647, 2989, 3209, 3843, 8967, 9627, 11529, 22463, 26901, 28881, 67389, 80703, 86643, 157241, 195749, 202167, 471723, 587247, 606501, 1370243, 1415169, 1761741, 4110729, 4245507, 5285223, 9591701, 12332187, 28775103, 36996561, 86325309, 258975927]

約数ペア:

[(1, 258975927), (3, 86325309), (7, 36996561), (9, 28775103), (21, 12332187), (27, 9591701), (49, 5285223), (61, 4245507), (63, 4110729), (147, 1761741), (183, 1415169), (189, 1370243), (427, 606501), (441, 587247), (549, 471723), (1281, 202167), (1323, 195749), (1647, 157241), (2989, 86643), (3209, 80703), (3843, 67389), (8967, 28881), (9627, 26901), (11529, 22463)]