4951989

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 9028800

約数和(自身を除く): 4076811

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 197, 399, 441, 513, 591, 931, 1197, 1323, 1379, 1773, 2793, 3591, 3743, 4137, 5319, 8379, 9653, 11229, 12411, 25137, 26201, 28959, 33687, 37233, 78603, 86877, 101061, 183407, 235809, 260631, 550221, 707427, 1650663, 4951989]

約数ペア:

[(1, 4951989), (3, 1650663), (7, 707427), (9, 550221), (19, 260631), (21, 235809), (27, 183407), (49, 101061), (57, 86877), (63, 78603), (133, 37233), (147, 33687), (171, 28959), (189, 26201), (197, 25137), (399, 12411), (441, 11229), (513, 9653), (591, 8379), (931, 5319), (1197, 4137), (1323, 3743), (1379, 3591), (1773, 2793)]