971210331

素因数分解:

$3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2735

約数の個数: 80

約数和(自身を含む): 1822744000

約数和(自身を除く): 851533669

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 343, 351, 441, 567, 637, 819, 1029, 1053, 1323, 1911, 2457, 2689, 3087, 3969, 4459, 5733, 7371, 8067, 9261, 13377, 17199, 18823, 24201, 27783, 34957, 40131, 51597, 56469, 72603, 104871, 120393, 131761, 169407, 217809, 244699, 314613, 361179, 395283, 508221, 734097, 922327, 943839, 1185849, 1524663, 1712893, 2202291, 2766981, 2831517, 3557547, 5138679, 6606873, 8300943, 10672641, 11990251, 15416037, 19820619, 24902829, 35970753, 46248111, 74708487, 107912259, 138744333, 323736777, 971210331]

約数ペア:

[(1, 971210331), (3, 323736777), (7, 138744333), (9, 107912259), (13, 74708487), (21, 46248111), (27, 35970753), (39, 24902829), (49, 19820619), (63, 15416037), (81, 11990251), (91, 10672641), (117, 8300943), (147, 6606873), (189, 5138679), (273, 3557547), (343, 2831517), (351, 2766981), (441, 2202291), (567, 1712893), (637, 1524663), (819, 1185849), (1029, 943839), (1053, 922327), (1323, 734097), (1911, 508221), (2457, 395283), (2689, 361179), (3087, 314613), (3969, 244699), (4459, 217809), (5733, 169407), (7371, 131761), (8067, 120393), (9261, 104871), (13377, 72603), (17199, 56469), (18823, 51597), (24201, 40131), (27783, 34957)]