7782579

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 13837824

約数和(自身を除く): 6055245

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 131, 161, 207, 287, 369, 393, 483, 861, 917, 943, 1179, 1449, 2583, 2751, 2829, 3013, 5371, 6601, 8253, 8487, 9039, 16113, 19803, 21091, 27117, 37597, 48339, 59409, 63273, 112791, 123533, 189819, 338373, 370599, 864731, 1111797, 2594193, 7782579]

約数ペア:

[(1, 7782579), (3, 2594193), (7, 1111797), (9, 864731), (21, 370599), (23, 338373), (41, 189819), (63, 123533), (69, 112791), (123, 63273), (131, 59409), (161, 48339), (207, 37597), (287, 27117), (369, 21091), (393, 19803), (483, 16113), (861, 9039), (917, 8487), (943, 8253), (1179, 6601), (1449, 5371), (2583, 3013), (2751, 2829)]