66394251

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 120556800

約数和(自身を除く): 54162549

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 149, 231, 447, 643, 693, 1043, 1341, 1639, 1929, 3129, 4501, 4917, 5787, 7073, 9387, 11473, 13503, 14751, 21219, 34419, 40509, 49511, 63657, 95807, 103257, 148533, 287421, 445599, 670649, 862263, 1053877, 2011947, 3161631, 6035841, 7377139, 9484893, 22131417, 66394251]

約数ペア:

[(1, 66394251), (3, 22131417), (7, 9484893), (9, 7377139), (11, 6035841), (21, 3161631), (33, 2011947), (63, 1053877), (77, 862263), (99, 670649), (149, 445599), (231, 287421), (447, 148533), (643, 103257), (693, 95807), (1043, 63657), (1341, 49511), (1639, 40509), (1929, 34419), (3129, 21219), (4501, 14751), (4917, 13503), (5787, 11473), (7073, 9387)]