77490987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 132787200

約数和(自身を除く): 55296213

約数列:

[1, 3, 7, 19, 21, 29, 37, 57, 87, 111, 133, 181, 203, 259, 399, 543, 551, 609, 703, 777, 1073, 1267, 1653, 2109, 3219, 3439, 3801, 3857, 4921, 5249, 6697, 7511, 10317, 11571, 14763, 15747, 20091, 20387, 22533, 24073, 36743, 46879, 61161, 72219, 99731, 110229, 127243, 140637, 142709, 194213, 299193, 381729, 428127, 582639, 698117, 890701, 1359491, 2094351, 2672103, 3690047, 4078473, 11070141, 25830329, 77490987]

約数ペア:

[(1, 77490987), (3, 25830329), (7, 11070141), (19, 4078473), (21, 3690047), (29, 2672103), (37, 2094351), (57, 1359491), (87, 890701), (111, 698117), (133, 582639), (181, 428127), (203, 381729), (259, 299193), (399, 194213), (543, 142709), (551, 140637), (609, 127243), (703, 110229), (777, 99731), (1073, 72219), (1267, 61161), (1653, 46879), (2109, 36743), (3219, 24073), (3439, 22533), (3801, 20387), (3857, 20091), (4921, 15747), (5249, 14763), (6697, 11571), (7511, 10317)]