491664789

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1367}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 914042880

約数和(自身を除く): 422378091

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 173, 189, 231, 297, 519, 693, 1211, 1367, 1557, 1903, 2079, 3633, 4101, 4671, 5709, 9569, 10899, 12303, 13321, 15037, 17127, 28707, 32697, 36909, 39963, 45111, 51381, 86121, 105259, 119889, 135333, 236491, 258363, 315777, 359667, 405999, 709473, 947331, 1655437, 2128419, 2601401, 2841993, 4966311, 6385257, 7804203, 14898933, 18209807, 23412609, 44696799, 54629421, 70237827, 163888263, 491664789]

約数ペア:

[(1, 491664789), (3, 163888263), (7, 70237827), (9, 54629421), (11, 44696799), (21, 23412609), (27, 18209807), (33, 14898933), (63, 7804203), (77, 6385257), (99, 4966311), (173, 2841993), (189, 2601401), (231, 2128419), (297, 1655437), (519, 947331), (693, 709473), (1211, 405999), (1367, 359667), (1557, 315777), (1903, 258363), (2079, 236491), (3633, 135333), (4101, 119889), (4671, 105259), (5709, 86121), (9569, 51381), (10899, 45111), (12303, 39963), (13321, 36909), (15037, 32697), (17127, 28707)]