11638431

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 21158400

約数和(自身を除く): 9519969

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 463, 513, 931, 1197, 1323, 1389, 2793, 3241, 3591, 4167, 8379, 8797, 9723, 12501, 22687, 25137, 26391, 29169, 61579, 68061, 79173, 87507, 184737, 204183, 237519, 431053, 554211, 612549, 1293159, 1662633, 3879477, 11638431]

約数ペア:

[(1, 11638431), (3, 3879477), (7, 1662633), (9, 1293159), (19, 612549), (21, 554211), (27, 431053), (49, 237519), (57, 204183), (63, 184737), (133, 87507), (147, 79173), (171, 68061), (189, 61579), (399, 29169), (441, 26391), (463, 25137), (513, 22687), (931, 12501), (1197, 9723), (1323, 8797), (1389, 8379), (2793, 4167), (3241, 3591)]