890236431

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{1321}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 1550864640

約数和(自身を除く): 660628209

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 563, 1197, 1321, 1689, 3941, 3963, 5067, 9247, 10697, 11823, 11889, 25099, 27741, 32091, 35469, 74879, 75297, 83223, 96273, 175693, 224637, 225891, 527079, 673911, 743723, 1581237, 2231169, 5206061, 6693507, 14130737, 15618183, 42392211, 46854549, 98915159, 127176633, 296745477, 890236431]

約数ペア:

[(1, 890236431), (3, 296745477), (7, 127176633), (9, 98915159), (19, 46854549), (21, 42392211), (57, 15618183), (63, 14130737), (133, 6693507), (171, 5206061), (399, 2231169), (563, 1581237), (1197, 743723), (1321, 673911), (1689, 527079), (3941, 225891), (3963, 224637), (5067, 175693), (9247, 96273), (10697, 83223), (11823, 75297), (11889, 74879), (25099, 35469), (27741, 32091)]