61421157

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 109549440

約数和(自身を除く): 48128283

約数列:

[1, 3, 7, 9, 21, 41, 43, 49, 63, 79, 123, 129, 147, 237, 287, 301, 369, 387, 441, 553, 711, 861, 903, 1659, 1763, 2009, 2107, 2583, 2709, 3239, 3397, 3871, 4977, 5289, 6027, 6321, 9717, 10191, 11613, 12341, 15867, 18081, 18963, 22673, 23779, 29151, 30573, 34839, 37023, 68019, 71337, 86387, 111069, 139277, 158711, 166453, 204057, 214011, 259161, 417831, 476133, 499359, 777483, 974939, 1253493, 1428399, 1498077, 2924817, 6824573, 8774451, 20473719, 61421157]

約数ペア:

[(1, 61421157), (3, 20473719), (7, 8774451), (9, 6824573), (21, 2924817), (41, 1498077), (43, 1428399), (49, 1253493), (63, 974939), (79, 777483), (123, 499359), (129, 476133), (147, 417831), (237, 259161), (287, 214011), (301, 204057), (369, 166453), (387, 158711), (441, 139277), (553, 111069), (711, 86387), (861, 71337), (903, 68019), (1659, 37023), (1763, 34839), (2009, 30573), (2107, 29151), (2583, 23779), (2709, 22673), (3239, 18963), (3397, 18081), (3871, 15867), (4977, 12341), (5289, 11613), (6027, 10191), (6321, 9717)]