25976925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 25207299

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 83, 107, 117, 195, 225, 249, 321, 325, 415, 535, 585, 747, 963, 975, 1079, 1245, 1391, 1605, 2075, 2675, 2925, 3237, 3735, 4173, 4815, 5395, 6225, 6955, 8025, 8881, 9711, 12519, 16185, 18675, 20865, 24075, 26643, 26975, 34775, 44405, 48555, 62595, 79929, 80925, 104325, 115453, 133215, 222025, 242775, 312975, 346359, 399645, 577265, 666075, 1039077, 1731795, 1998225, 2886325, 5195385, 8658975, 25976925]

約数ペア:

[(1, 25976925), (3, 8658975), (5, 5195385), (9, 2886325), (13, 1998225), (15, 1731795), (25, 1039077), (39, 666075), (45, 577265), (65, 399645), (75, 346359), (83, 312975), (107, 242775), (117, 222025), (195, 133215), (225, 115453), (249, 104325), (321, 80925), (325, 79929), (415, 62595), (535, 48555), (585, 44405), (747, 34775), (963, 26975), (975, 26643), (1079, 24075), (1245, 20865), (1391, 18675), (1605, 16185), (2075, 12519), (2675, 9711), (2925, 8881), (3237, 8025), (3735, 6955), (4173, 6225), (4815, 5395)]