25853877

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 20802123

約数列:

[1, 3, 7, 9, 21, 27, 29, 53, 63, 87, 89, 159, 189, 203, 261, 267, 371, 477, 609, 623, 783, 801, 1113, 1431, 1537, 1827, 1869, 2403, 2581, 3339, 4611, 4717, 5481, 5607, 7743, 10017, 10759, 13833, 14151, 16821, 18067, 23229, 32277, 33019, 41499, 42453, 54201, 69687, 96831, 99057, 127359, 136793, 162603, 290493, 297171, 410379, 487809, 891513, 957551, 1231137, 2872653, 3693411, 8617959, 25853877]

約数ペア:

[(1, 25853877), (3, 8617959), (7, 3693411), (9, 2872653), (21, 1231137), (27, 957551), (29, 891513), (53, 487809), (63, 410379), (87, 297171), (89, 290493), (159, 162603), (189, 136793), (203, 127359), (261, 99057), (267, 96831), (371, 69687), (477, 54201), (609, 42453), (623, 41499), (783, 33019), (801, 32277), (1113, 23229), (1431, 18067), (1537, 16821), (1827, 14151), (1869, 13833), (2403, 10759), (2581, 10017), (3339, 7743), (4611, 5607), (4717, 5481)]