977776947

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{877}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 1759933440

約数和(自身を除く): 782156493

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 347, 357, 459, 877, 1041, 1071, 2429, 2631, 3123, 3213, 5899, 6139, 7287, 7893, 9369, 14909, 17697, 18417, 21861, 23679, 41293, 44727, 53091, 55251, 65583, 104363, 123879, 134181, 159273, 165753, 304319, 313089, 371637, 402543, 912957, 939267, 1114911, 2130233, 2738871, 2817801, 5173423, 6390699, 8216613, 15520269, 19172097, 36213961, 46560807, 57516291, 108641883, 139682421, 325925649, 977776947]

約数ペア:

[(1, 977776947), (3, 325925649), (7, 139682421), (9, 108641883), (17, 57516291), (21, 46560807), (27, 36213961), (51, 19172097), (63, 15520269), (119, 8216613), (153, 6390699), (189, 5173423), (347, 2817801), (357, 2738871), (459, 2130233), (877, 1114911), (1041, 939267), (1071, 912957), (2429, 402543), (2631, 371637), (3123, 313089), (3213, 304319), (5899, 165753), (6139, 159273), (7287, 134181), (7893, 123879), (9369, 104363), (14909, 65583), (17697, 55251), (18417, 53091), (21861, 44727), (23679, 41293)]